2H-Pyran-6-carboxylic acid,4-[3-methoxy-2-[(methoxycarbonyl)amino]-3-oxo-1-propenyl]-2-oxo-,methyl ester, (Z)- 103366-85-4

2H-Pyran-6-carboxylic acid, 3,4-dihydro-2,2-dimethyl- 76729-59-4

2H-PYRAN-6-CARBOXYLIC ACID 4,5-DIMETHYL-2-OXO-,ETHYL ESTER 371201-87-5

2H-Pyran-6-carboxylic acid, 4-(1,1-dimethylethyl)-2-oxo-, methyl ester 61186-98-9

2H-Pyran-6-carboxylic acid,4-[3-methoxy-3-oxo-2-[(trifluoroacetyl)amino]-1-propenyl]-2-oxo-, methylester, (Z)- 103692-93-9

2H-Pyran-6-carboxylic acid,3,4-dihydro-3-(1-methylethyl)-4-phenyl-2-(1-pyrrolidinyl)-, methyl ester 105507-63-9

2H-Pyran-6-carboxylic acid, 3-bromo-4-(bromomethyl)-2-oxo-, methylester 103692-74-6

2H-Pyran-6-carboxylic acid,3,4-dihydro-3-(1-methylethyl)-4-phenyl-2-(1-piperidinyl)-, methyl ester 105507-64-0

2H-Pyran-6-carboxylic acid, 4-methyl-5-(2-naphthalenyl)-2-oxo- 139092-54-9

2H-Pyran-6-carboxylicacid, 4-fluoro-2-oxo- 279689-05-3

2H-Pyran-6-carboxylicacid, 4-[2-(3,4-dihydroxyphenyl)ethenyl]-2-oxo-, (E)- 180031-58-7

2H-PYRAN-6-CARBOXYLIC ACID,2-ETHOXY-3,4-DIHYDRO-4-METHYL-,ETHYL ESTER,(2R,4S)- 667894-37-3

2H-Pyran-6-carboxylic acid,3,4-dihydro-3-(1-methylethyl)-2-(4-morpholinyl)-4-(4-nitrophenyl)-,methyl ester 105507-67-3

2H-Pyran-6-carboxylic acid, 3-(bromomethyl)-2-oxo-, ethyl ester 3005-94-5

2H-Pyran-6-carboxylic acid,4-(4-chlorophenyl)-3,4-dihydro-3-(1-methylethyl)-2-(4-morpholinyl)-,methyl ester 105507-71-9

2H-Pyran-6-carboxylic acid,4-(3-fluorophenyl)-3,4-dihydro-3-(1-methylethyl)-2-(1-piperidinyl)-,methyl ester 105507-75-3

2H-Pyran-6-carboxylic acid,2-[(4R)-4-ethyl-2-oxo-3-oxazolidinyl]-3,4-dihydro-3,4-diphenyl-, methylester, (2R,3S,4R)- 925427-59-4

2H-Pyran-6-carboxylicacid, 2-ethoxy-3,4-dihydro-3,4-dimethyl-, methyl ester, (2R,3S,4S)-rel- 223653-02-9

2H-PYRAN-6-CARBOXYLIC ACID,3-ETHYL-3,4-DIHYDRO-4-METHYL-2-OXO-,ETHYL ESTER,(3R,4S)- 588689-97-8

2H-Pyran-6-carboxylic acid,4-[2-(acetylamino)-1-chloro-3-methoxy-3-oxo-1-propenyl]-2-oxo-, methylester, (Z)- 103710-56-1

2H-Pyran-6-carboxylic acid, 3,4-dihydro-, ethyl ester 83505-61-7

2H-Pyran-6-carboxylic acid, 3,4-dihydro-2,4-diphenyl-, methyl ester,cis- 184288-84-4

2H-Pyran-6-carboxylicacid, 2-ethoxy-3,4-dihydro-4-methyl-, ethyl ester, (2R,4R)- 216220-75-6

2H-Pyran-6-carboxylic acid,4-[2-(acetylamino)-3-methoxy-3-oxo-1-propenyl]-2-oxo-, methyl ester,(E)- 103692-90-6

2H-Pyran-6-carboxylic acid,4-(1-acetyl-1H-indol-3-yl)-2-ethoxy-3,4-dihydro-3-(3-hydroxypropyl)-,2-propenyl ester, (2S,3R,4R)- 394253-83-9

2H-Pyran-6-carboxylic acid, 3-bromo-4-(dibromomethyl)-2-oxo-, methylester 103692-75-7

2H-Pyran-6-carboxylic acid,3,4-dihydro-2-oxo-3-(phenylmethyl)-4-propyl-, ethyl ester, (3S,4S)- 919102-66-2

2H-Pyran-6-carboxylic acid,4-[2-(acetylchloroamino)-3-methoxy-3-oxo-1-propenyl]-2-oxo-, methylester, (Z)- 103692-96-2

2H-Pyran-6-carboxylic acid,3,4-dihydro-2-(4-hydroxybutoxy)-4-(2-thienyl)-, 2-propenyl ester,(2S,4S)- 664355-49-1

2H-Pyran-6-carboxylic acid,4-(3-chlorophenyl)-2-(dimethylamino)-3,4-dihydro-3-(1-methylethyl)-,methyl ester 105507-68-4

2H-Pyran-6-carboxylic acid, 2-oxo-3-phenyl- 93353-51-6

2H-Pyran-6-carboxylic acid,2-ethoxy-3,4-dihydro-3-[2-[2-(2-hydroxyethoxy)ethoxy]ethyl]-4-(4-oxo-4H-1-benzopyran-3-yl)-, 2-propenyl ester, (2R,3S,4S)- 394253-33-9

2H-PYRAN-6-CARBOXYLIC ACID,2-ETHOXY-3,4-DIHYDRO-4-METHYL-,ETHYL ESTER,(2S,4S)- 700871-34-7

2H-Pyran-6-carboxylic acid, 3-(4-chlorophenyl)-2-oxo- 920283-76-7

2H-Pyran-6-carboxylic acid,4-[2-(acetylamino)-3-ethoxy-3-oxo-1-propenyl]-2-oxo-, ethyl ester, (Z)- 103692-84-8

2H-Pyran-6-carboxylic acid,2-ethoxy-3,4-dihydro-3-(3-hydroxypropyl)-4-phenyl-, 2-propenyl ester,(2R,3S,4S)- 391244-50-1

2H-Pyran-6-carboxylic acid, 4-(4-chlorophenyl)-2-oxo- 920283-75-6

2H-Pyran-6-carboxylic acid, 2-oxo-4-phenyl- 30113-81-6

2H-Pyran-6-carboxylic acid, 4-methyl-5-(2-naphthalenyl)-2-oxo-, methylester 139092-55-0

2H-Pyran-6-carboxylic acid, 4,5-dichloro-3-methyl-2-oxo-, methyl ester 140862-63-1

2H-Pyran-6-carboxylic acid,2-(dimethylamino)-3,4-dihydro-3-(1-methylethyl)-4-phenyl-, methyl ester 105507-61-7

2H-Pyran-6-carboxylic acid,3,4-dihydro-2-hydroxy-3-(1-methylethyl)-4-phenyl- 105507-77-5

3,4-DIHYDRO-2,2-DIMETHYL-4-OXO-2H-PYRAN-6-CARBOXYLIC ACID 80866-93-9

3,4-二氢-2,2-二甲基-4-氧代-2H-吡喃-6-羧酸

2H-Pyran-6-carboxylic acid,3-[3-hydroxy-5-methoxy-2-(methoxycarbonyl)phenyl]-4-methyl-2-oxo-,methyl ester 91999-22-3

2H-Pyran-6-carboxylic acid,3,4-dihydro-3-(1-methylethyl)-2-(4-morpholinyl)-4-phenyl-, methyl ester 105507-65-1

2H-Pyran-6-carboxylic acid, 2-oxo-4-(tribromomethyl)-, methyl ester 103692-72-4

2H-Pyran-6-carboxylicacid, 2-ethoxy-3,4-dihydro-4-methyl-, methyl ester, (2R,4R)-rel- 111301-68-9

2H-Pyran-6-carboxylic acid,4-[2-(acetylamino)-1-chloro-3-methoxy-3-oxo-1-propenyl]-2-oxo-, methylester, (E)- 103692-87-1

2H-Pyran-6-carboxylic acid, 4-(dibromomethyl)-2-oxo-, methyl ester 103692-73-5

2H-Pyran-6-carboxylic acid,3,4-dihydro-4-(4-methylphenyl)-2-oxo-3-(phenylmethyl)-, ethyl ester,(3S,4S)- 919102-65-1

2H-Pyran-6-carboxylic acid,3-decyl-3,4-dihydro-4-(4-methylphenyl)-2-oxo-, ethyl ester, (3S,4S)- 919102-68-4

2H-PYRAN-6-CARBOXYLIC ACID,2-ETHOXY-3,4-DIHYDRO-4-METHYL-,METHYL ESTER,TRANS- 111301-72-5

2H-Pyran-6-carboxylic acid, 4-(bromomethyl)-2-oxo-, methyl ester 103366-83-2

2H-Pyran-6-carboxylic acid,4-cyclohexyl-3,4-dihydro-2-oxo-3-(phenylmethyl)-, ethyl ester, (3S,4S)- 919102-67-3

2H-Pyran-6-carboxylic acid,4-(3-chlorophenyl)-3,4-dihydro-3-(1-methylethyl)-2-(4-morpholinyl)-,methyl ester 105507-69-5

2H-Pyran-6-carboxylicacid, 3,4-dihydro-4,5-dihydroxy- 100313-54-0

2H-Pyran-6-carboxylic acid, 4-methyl-2-oxo-, ethyl ester 103692-71-3

2H-Pyran-6-carboxylic acid,3,4-dihydro-2-(4-hydroxybutoxy)-4-(1-methylethyl)-, 2-propenyl ester,(2R,4S)- 394253-32-8

2H-Pyran-6-carboxylic acid,3,4-dihydro-3-(1-methylethyl)-2-(4-methyl-1-piperazinyl)-4-phenyl-,methyl ester 105507-66-2

2H-PYRAN-6-CARBOXYLIC ACID,2-ETHOXY-3,4-DIHYDRO-4-METHYL-,ETHYL ESTER,(2S,4R)- 667894-38-4