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13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt
13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt

货号：ISX-ST-1292
品牌：isospex

13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt
13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt

货号：ISX-ST-1292
品牌：isospex
UL-D7-D-fructose
UL-D7-D-fructose

货号：ISX-ST-1291
品牌：isospex

UL-D7-D-fructose
UL-D7-D-fructose

货号：ISX-ST-1291
品牌：isospex
D10-Entacapone (Z Isomer)
D10-Entacapone (Z Isomer)

货号：ISX-ST-1290
品牌：isospex

D10-Entacapone (Z Isomer)
D10-Entacapone (Z Isomer)

货号：ISX-ST-1290
品牌：isospex
UL-13C6;UL-D7-D-mannose
UL-13C6;UL-D7-D-mannose

货号：ISX-ST-1289
品牌：isospex

UL-13C6;UL-D7-D-mannose
UL-13C6;UL-D7-D-mannose

货号：ISX-ST-1289
品牌：isospex
D5-Hexanoic Acid
D5-Hexanoic Acid

货号：ISX-ST-1288
品牌：isospex

D5-Hexanoic Acid
D5-Hexanoic Acid

货号：ISX-ST-1288
品牌：isospex
methyl-D3-Celecoxib
methyl-D3-Celecoxib

货号：ISX-ST-1287
品牌：isospex

methyl-D3-Celecoxib
methyl-D3-Celecoxib

货号：ISX-ST-1287
品牌：isospex
13C12,15N6-β-Amyloid(1-40)
13C12,15N6-β-Amyloid(1-40)

货号：ISX-ST-1286
品牌：isospex

13C12,15N6-β-Amyloid(1-40)
13C12,15N6-β-Amyloid(1-40)

货号：ISX-ST-1286
品牌：isospex
D4-Prostaglandin E2
D4-Prostaglandin E2

货号：ISX-ST-1285
品牌：isospex

D4-Prostaglandin E2
D4-Prostaglandin E2

货号：ISX-ST-1285
品牌：isospex
D6-Dimethyldioctylammonium iodide
D6-Dimethyldioctylammonium iodide

货号：ISX-ST-1284
品牌：isospex

D6-Dimethyldioctylammonium iodide
D6-Dimethyldioctylammonium iodide

货号：ISX-ST-1284
品牌：isospex
1'-13C-adenosine 5'-monophosphate(disodium salt)
1'-13C-adenosine 5'-monophosphate(disodium salt)

货号：ISX-ST-1283
品牌：isospex

1'-13C-adenosine 5'-monophosphate(disodium salt)
1'-13C-adenosine 5'-monophosphate(disodium salt)

货号：ISX-ST-1283
品牌：isospex
D4-(S,S)-Ethambutol bishydrochloride
D4-(S,S)-Ethambutol bishydrochloride

货号：ISX-ST-1282
品牌：isospex

D4-(S,S)-Ethambutol bishydrochloride
D4-(S,S)-Ethambutol bishydrochloride

货号：ISX-ST-1282
品牌：isospex
D8-Bosutinib
D8-Bosutinib

货号：ISX-ST-1281
品牌：isospex

D8-Bosutinib
D8-Bosutinib

货号：ISX-ST-1281
品牌：isospex
D35-Stearic Acid
D35-Stearic Acid

货号：ISX-ST-1280
品牌：isospex

D35-Stearic Acid
D35-Stearic Acid

货号：ISX-ST-1280
品牌：isospex
D5-IDX-320
D5-IDX-320

货号：ISX-ST-1279
品牌：isospex

D5-IDX-320
D5-IDX-320

货号：ISX-ST-1279
品牌：isospex
Ring-13C3-Desisopropyl hydroxy Atrazine
Ring-13C3-Desisopropyl hydroxy Atrazine

货号：ISX-ST-1278
品牌：isospex

Ring-13C3-Desisopropyl hydroxy Atrazine
Ring-13C3-Desisopropyl hydroxy Atrazine

货号：ISX-ST-1278
品牌：isospex
D5-Cytidine 5'-Triphosphate Ammonium Salt
D5-Cytidine 5'-Triphosphate Ammonium Salt

货号：ISX-ST-1277
品牌：isospex

D5-Cytidine 5'-Triphosphate Ammonium Salt
D5-Cytidine 5'-Triphosphate Ammonium Salt

货号：ISX-ST-1277
品牌：isospex
13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)
13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)

货号：ISX-ST-1276
品牌：isospex

13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)
13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)

货号：ISX-ST-1276
品牌：isospex
naphthyl-D7-Carbaryl
naphthyl-D7-Carbaryl

货号：ISX-ST-1275
品牌：isospex

naphthyl-D7-Carbaryl
naphthyl-D7-Carbaryl

货号：ISX-ST-1275
品牌：isospex
UL-13C3-D-glyceraldehyde 3-phosphate
UL-13C3-D-glyceraldehyde 3-phosphate

货号：ISX-ST-1274
品牌：isospex

UL-13C3-D-glyceraldehyde 3-phosphate
UL-13C3-D-glyceraldehyde 3-phosphate

货号：ISX-ST-1274
品牌：isospex
D4-Desmethylmirtazapine dihydrochloride
D4-Desmethylmirtazapine dihydrochloride

货号：ISX-ST-1273
品牌：isospex

D4-Desmethylmirtazapine dihydrochloride
D4-Desmethylmirtazapine dihydrochloride

货号：ISX-ST-1273
品牌：isospex
D3-Paeonol
D3-Paeonol

货号：ISX-ST-1272
品牌：isospex

D3-Paeonol
D3-Paeonol

货号：ISX-ST-1272
品牌：isospex
D3-Brassinolide(D-BI)
D3-Brassinolide(D-BI)

货号：ISX-ST-1271
品牌：isospex

D3-Brassinolide(D-BI)
D3-Brassinolide(D-BI)

货号：ISX-ST-1271
品牌：isospex
13C6-Nitisinone
13C6-Nitisinone

货号：ISX-ST-1270
品牌：isospex

13C6-Nitisinone
13C6-Nitisinone

货号：ISX-ST-1270
品牌：isospex
D3-Metoxuron-monomethyl
D3-Metoxuron-monomethyl

货号：ISX-ST-1269
品牌：isospex

D3-Metoxuron-monomethyl
D3-Metoxuron-monomethyl

货号：ISX-ST-1269
品牌：isospex
D4-3-Indoxyl Sulfate Potassium Salt
D4-3-Indoxyl Sulfate Potassium Salt

货号：ISX-ST-1268
品牌：isospex

D4-3-Indoxyl Sulfate Potassium Salt
D4-3-Indoxyl Sulfate Potassium Salt

货号：ISX-ST-1268
品牌：isospex
D3-N-Formylloline
D3-N-Formylloline

货号：ISX-ST-1267
品牌：isospex

D3-N-Formylloline
D3-N-Formylloline

货号：ISX-ST-1267
品牌：isospex
D6-Iguratimod
D6-Iguratimod

货号：ISX-ST-1266
品牌：isospex

D6-Iguratimod
D6-Iguratimod

货号：ISX-ST-1266
品牌：isospex
13C,D4-Dihydroartemisinin, isomers mixture
13C,D4-Dihydroartemisinin, isomers mixture

货号：ISX-ST-1265
品牌：isospex

13C,D4-Dihydroartemisinin, isomers mixture
13C,D4-Dihydroartemisinin, isomers mixture

货号：ISX-ST-1265
品牌：isospex
2',3',5',6'-D4-4'-Chloroacetophenone
2',3',5',6'-D4-4'-Chloroacetophenone

货号：ISX-ST-1264
品牌：isospex

2',3',5',6'-D4-4'-Chloroacetophenone
2',3',5',6'-D4-4'-Chloroacetophenone

货号：ISX-ST-1264
品牌：isospex
Acyl-D3-Ulipristal Acetate
Acyl-D3-Ulipristal Acetate

货号：ISX-ST-1263
品牌：isospex

Acyl-D3-Ulipristal Acetate
Acyl-D3-Ulipristal Acetate

货号：ISX-ST-1263
品牌：isospex
D6-Dimethoate
D6-Dimethoate

货号：ISX-ST-1262
品牌：isospex

D6-Dimethoate
D6-Dimethoate

货号：ISX-ST-1262
品牌：isospex
13C2,15N-Tiglyl Glycine
13C2,15N-Tiglyl Glycine

货号：ISX-ST-1261
品牌：isospex

13C2,15N-Tiglyl Glycine
13C2,15N-Tiglyl Glycine

货号：ISX-ST-1261
品牌：isospex
D6-Dimethylanthranilate
D6-Dimethylanthranilate

货号：ISX-ST-1260
品牌：isospex

D6-Dimethylanthranilate
D6-Dimethylanthranilate

货号：ISX-ST-1260
品牌：isospex
D6-N,N'- (1,2-Propylene)thiourea
D6-N,N'- (1,2-Propylene)thiourea

货号：ISX-ST-1259
品牌：isospex

D6-N,N'- (1,2-Propylene)thiourea
D6-N,N'- (1,2-Propylene)thiourea

货号：ISX-ST-1259
品牌：isospex
D12-4-iso-Propylphenol
D12-4-iso-Propylphenol

货号：ISX-ST-1258
品牌：isospex

D12-4-iso-Propylphenol
D12-4-iso-Propylphenol

货号：ISX-ST-1258
品牌：isospex
D7-2-Bromopropane
D7-2-Bromopropane

货号：ISX-ST-1257
品牌：isospex

D7-2-Bromopropane
D7-2-Bromopropane

货号：ISX-ST-1257
品牌：isospex
D2-Paraformaldehyde
D2-Paraformaldehyde

货号：ISX-ST-1256
品牌：isospex

D2-Paraformaldehyde
D2-Paraformaldehyde

货号：ISX-ST-1256
品牌：isospex
15N,D3- (±)-Cycloserine
15N,D3- (±)-Cycloserine

货号：ISX-ST-1255
品牌：isospex

15N,D3- (±)-Cycloserine
15N,D3- (±)-Cycloserine

货号：ISX-ST-1255
品牌：isospex
1-13C-L-Lactic acid
1-13C-L-Lactic acid

货号：ISX-ST-1254
品牌：isospex

1-13C-L-Lactic acid
1-13C-L-Lactic acid

货号：ISX-ST-1254
品牌：isospex
D6-Levonorgestrel(D6-D-(-)-Norgestrel)
D6-Levonorgestrel(D6-D-(-)-Norgestrel)

货号：ISX-ST-1253
品牌：isospex

D6-Levonorgestrel(D6-D-(-)-Norgestrel)
D6-Levonorgestrel(D6-D-(-)-Norgestrel)

货号：ISX-ST-1253
品牌：isospex

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13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt

13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt

UL-D7-D-fructoseUL-D7-D-fructose

UL-D7-D-fructoseUL-D7-D-fructose

D10-Entacapone (Z Isomer)D10-Entacapone (Z Isomer)

D10-Entacapone (Z Isomer)D10-Entacapone (Z Isomer)

UL-13C6;UL-D7-D-mannoseUL-13C6;UL-D7-D-mannose

UL-13C6;UL-D7-D-mannoseUL-13C6;UL-D7-D-mannose

D5-Hexanoic AcidD5-Hexanoic Acid

D5-Hexanoic AcidD5-Hexanoic Acid

methyl-D3-Celecoxibmethyl-D3-Celecoxib

methyl-D3-Celecoxibmethyl-D3-Celecoxib

13C12,15N6-β-Amyloid(1-40)13C12,15N6-β-Amyloid(1-40)

13C12,15N6-β-Amyloid(1-40)13C12,15N6-β-Amyloid(1-40)

D4-Prostaglandin E2D4-Prostaglandin E2

D4-Prostaglandin E2D4-Prostaglandin E2

D6-Dimethyldioctylammonium iodideD6-Dimethyldioctylammonium iodide

D6-Dimethyldioctylammonium iodideD6-Dimethyldioctylammonium iodide

1'-13C-adenosine 5'-monophosphate(disodium salt)1'-13C-adenosine 5'-monophosphate(disodium salt)

1'-13C-adenosine 5'-monophosphate(disodium salt)1'-13C-adenosine 5'-monophosphate(disodium salt)

D4-(S,S)-Ethambutol bishydrochlorideD4-(S,S)-Ethambutol bishydrochloride

D4-(S,S)-Ethambutol bishydrochlorideD4-(S,S)-Ethambutol bishydrochloride

D8-BosutinibD8-Bosutinib

D8-BosutinibD8-Bosutinib

D35-Stearic AcidD35-Stearic Acid

D35-Stearic AcidD35-Stearic Acid

D5-IDX-320D5-IDX-320

D5-IDX-320D5-IDX-320

Ring-13C3-Desisopropyl hydroxy AtrazineRing-13C3-Desisopropyl hydroxy Atrazine

Ring-13C3-Desisopropyl hydroxy AtrazineRing-13C3-Desisopropyl hydroxy Atrazine

D5-Cytidine 5'-Triphosphate Ammonium SaltD5-Cytidine 5'-Triphosphate Ammonium Salt

D5-Cytidine 5'-Triphosphate Ammonium SaltD5-Cytidine 5'-Triphosphate Ammonium Salt

13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)

13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)

naphthyl-D7-Carbarylnaphthyl-D7-Carbaryl

naphthyl-D7-Carbarylnaphthyl-D7-Carbaryl

UL-13C3-D-glyceraldehyde 3-phosphateUL-13C3-D-glyceraldehyde 3-phosphate

UL-13C3-D-glyceraldehyde 3-phosphateUL-13C3-D-glyceraldehyde 3-phosphate

D4-Desmethylmirtazapine dihydrochlorideD4-Desmethylmirtazapine dihydrochloride

D4-Desmethylmirtazapine dihydrochlorideD4-Desmethylmirtazapine dihydrochloride

D3-PaeonolD3-Paeonol

D3-PaeonolD3-Paeonol

D3-Brassinolide(D-BI)D3-Brassinolide(D-BI)

D3-Brassinolide(D-BI)D3-Brassinolide(D-BI)

13C6-Nitisinone13C6-Nitisinone

13C6-Nitisinone13C6-Nitisinone

D3-Metoxuron-monomethylD3-Metoxuron-monomethyl

D3-Metoxuron-monomethylD3-Metoxuron-monomethyl

D4-3-Indoxyl Sulfate Potassium SaltD4-3-Indoxyl Sulfate Potassium Salt

D4-3-Indoxyl Sulfate Potassium SaltD4-3-Indoxyl Sulfate Potassium Salt

D3-N-FormyllolineD3-N-Formylloline

D3-N-FormyllolineD3-N-Formylloline

D6-IguratimodD6-Iguratimod

D6-IguratimodD6-Iguratimod

13C,D4-Dihydroartemisinin, isomers mixture13C,D4-Dihydroartemisinin, isomers mixture

13C,D4-Dihydroartemisinin, isomers mixture13C,D4-Dihydroartemisinin, isomers mixture

2',3',5',6'-D4-4'-Chloroacetophenone2',3',5',6'-D4-4'-Chloroacetophenone

2',3',5',6'-D4-4'-Chloroacetophenone2',3',5',6'-D4-4'-Chloroacetophenone

Acyl-D3-Ulipristal AcetateAcyl-D3-Ulipristal Acetate

Acyl-D3-Ulipristal AcetateAcyl-D3-Ulipristal Acetate

D6-DimethoateD6-Dimethoate

D6-DimethoateD6-Dimethoate

13C2,15N-Tiglyl Glycine13C2,15N-Tiglyl Glycine

13C2,15N-Tiglyl Glycine13C2,15N-Tiglyl Glycine

D6-DimethylanthranilateD6-Dimethylanthranilate

D6-DimethylanthranilateD6-Dimethylanthranilate

D6-N,N'- (1,2-Propylene)thioureaD6-N,N'- (1,2-Propylene)thiourea

D6-N,N'- (1,2-Propylene)thioureaD6-N,N'- (1,2-Propylene)thiourea

D12-4-iso-PropylphenolD12-4-iso-Propylphenol

D12-4-iso-PropylphenolD12-4-iso-Propylphenol

D7-2-BromopropaneD7-2-Bromopropane

D7-2-BromopropaneD7-2-Bromopropane

D2-ParaformaldehydeD2-Paraformaldehyde

D2-ParaformaldehydeD2-Paraformaldehyde

15N,D3- (±)-Cycloserine15N,D3- (±)-Cycloserine

15N,D3- (±)-Cycloserine15N,D3- (±)-Cycloserine

1-13C-L-Lactic acid1-13C-L-Lactic acid

1-13C-L-Lactic acid1-13C-L-Lactic acid

D6-Levonorgestrel(D6-D-(-)-Norgestrel)D6-Levonorgestrel(D6-D-(-)-Norgestrel)

D6-Levonorgestrel(D6-D-(-)-Norgestrel)D6-Levonorgestrel(D6-D-(-)-Norgestrel)

13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt
13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt

13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt
13C5-(2R)-2-Hydroxyglutaric Acid Disodium Salt

UL-D7-D-fructose
UL-D7-D-fructose

UL-D7-D-fructose
UL-D7-D-fructose

D10-Entacapone (Z Isomer)
D10-Entacapone (Z Isomer)

D10-Entacapone (Z Isomer)
D10-Entacapone (Z Isomer)

UL-13C6;UL-D7-D-mannose
UL-13C6;UL-D7-D-mannose

UL-13C6;UL-D7-D-mannose
UL-13C6;UL-D7-D-mannose

D5-Hexanoic Acid
D5-Hexanoic Acid

D5-Hexanoic Acid
D5-Hexanoic Acid

methyl-D3-Celecoxib
methyl-D3-Celecoxib

methyl-D3-Celecoxib
methyl-D3-Celecoxib

13C12,15N6-β-Amyloid(1-40)
13C12,15N6-β-Amyloid(1-40)

13C12,15N6-β-Amyloid(1-40)
13C12,15N6-β-Amyloid(1-40)

D4-Prostaglandin E2
D4-Prostaglandin E2

D4-Prostaglandin E2
D4-Prostaglandin E2

D6-Dimethyldioctylammonium iodide
D6-Dimethyldioctylammonium iodide

D6-Dimethyldioctylammonium iodide
D6-Dimethyldioctylammonium iodide

1'-13C-adenosine 5'-monophosphate(disodium salt)
1'-13C-adenosine 5'-monophosphate(disodium salt)

1'-13C-adenosine 5'-monophosphate(disodium salt)
1'-13C-adenosine 5'-monophosphate(disodium salt)

D4-(S,S)-Ethambutol bishydrochloride
D4-(S,S)-Ethambutol bishydrochloride

D4-(S,S)-Ethambutol bishydrochloride
D4-(S,S)-Ethambutol bishydrochloride

D8-Bosutinib
D8-Bosutinib

D8-Bosutinib
D8-Bosutinib

D35-Stearic Acid
D35-Stearic Acid

D35-Stearic Acid
D35-Stearic Acid

D5-IDX-320
D5-IDX-320

D5-IDX-320
D5-IDX-320

Ring-13C3-Desisopropyl hydroxy Atrazine
Ring-13C3-Desisopropyl hydroxy Atrazine

Ring-13C3-Desisopropyl hydroxy Atrazine
Ring-13C3-Desisopropyl hydroxy Atrazine

D5-Cytidine 5'-Triphosphate Ammonium Salt
D5-Cytidine 5'-Triphosphate Ammonium Salt

D5-Cytidine 5'-Triphosphate Ammonium Salt
D5-Cytidine 5'-Triphosphate Ammonium Salt

13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)
13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)

13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)
13C12-2,2',3,4,4',5',6-Heptabromodiphenyl ether (BDE-183)

naphthyl-D7-Carbaryl
naphthyl-D7-Carbaryl

naphthyl-D7-Carbaryl
naphthyl-D7-Carbaryl

UL-13C3-D-glyceraldehyde 3-phosphate
UL-13C3-D-glyceraldehyde 3-phosphate

UL-13C3-D-glyceraldehyde 3-phosphate
UL-13C3-D-glyceraldehyde 3-phosphate

D4-Desmethylmirtazapine dihydrochloride
D4-Desmethylmirtazapine dihydrochloride

D4-Desmethylmirtazapine dihydrochloride
D4-Desmethylmirtazapine dihydrochloride

D3-Paeonol
D3-Paeonol

D3-Paeonol
D3-Paeonol

D3-Brassinolide(D-BI)
D3-Brassinolide(D-BI)

D3-Brassinolide(D-BI)
D3-Brassinolide(D-BI)

13C6-Nitisinone
13C6-Nitisinone

13C6-Nitisinone
13C6-Nitisinone

D3-Metoxuron-monomethyl
D3-Metoxuron-monomethyl

D3-Metoxuron-monomethyl
D3-Metoxuron-monomethyl

D4-3-Indoxyl Sulfate Potassium Salt
D4-3-Indoxyl Sulfate Potassium Salt

D4-3-Indoxyl Sulfate Potassium Salt
D4-3-Indoxyl Sulfate Potassium Salt

D3-N-Formylloline
D3-N-Formylloline

D3-N-Formylloline
D3-N-Formylloline

D6-Iguratimod
D6-Iguratimod

D6-Iguratimod
D6-Iguratimod

13C,D4-Dihydroartemisinin, isomers mixture
13C,D4-Dihydroartemisinin, isomers mixture

13C,D4-Dihydroartemisinin, isomers mixture
13C,D4-Dihydroartemisinin, isomers mixture

2',3',5',6'-D4-4'-Chloroacetophenone
2',3',5',6'-D4-4'-Chloroacetophenone

2',3',5',6'-D4-4'-Chloroacetophenone
2',3',5',6'-D4-4'-Chloroacetophenone

Acyl-D3-Ulipristal Acetate
Acyl-D3-Ulipristal Acetate

Acyl-D3-Ulipristal Acetate
Acyl-D3-Ulipristal Acetate

D6-Dimethoate
D6-Dimethoate

D6-Dimethoate
D6-Dimethoate

13C2,15N-Tiglyl Glycine
13C2,15N-Tiglyl Glycine

13C2,15N-Tiglyl Glycine
13C2,15N-Tiglyl Glycine

D6-Dimethylanthranilate
D6-Dimethylanthranilate

D6-Dimethylanthranilate
D6-Dimethylanthranilate

D6-N,N'- (1,2-Propylene)thiourea
D6-N,N'- (1,2-Propylene)thiourea

D6-N,N'- (1,2-Propylene)thiourea
D6-N,N'- (1,2-Propylene)thiourea

D12-4-iso-Propylphenol
D12-4-iso-Propylphenol

D12-4-iso-Propylphenol
D12-4-iso-Propylphenol

D7-2-Bromopropane
D7-2-Bromopropane

D7-2-Bromopropane
D7-2-Bromopropane

D2-Paraformaldehyde
D2-Paraformaldehyde

D2-Paraformaldehyde
D2-Paraformaldehyde

15N,D3- (±)-Cycloserine
15N,D3- (±)-Cycloserine

15N,D3- (±)-Cycloserine
15N,D3- (±)-Cycloserine

1-13C-L-Lactic acid
1-13C-L-Lactic acid

1-13C-L-Lactic acid
1-13C-L-Lactic acid

D6-Levonorgestrel(D6-D-(-)-Norgestrel)
D6-Levonorgestrel(D6-D-(-)-Norgestrel)

D6-Levonorgestrel(D6-D-(-)-Norgestrel)
D6-Levonorgestrel(D6-D-(-)-Norgestrel)