2-Furoicacid, tetrahydro-5-oxo- (8CI); a-Hydroxyglutaryl lactone; g-Butyrolactone-g-carboxylic acid; Butyrolactone-5-carboxylic acid; Pentanedioicacid, 2-hydroxy-, g-lactone;Butyrolactonecarboxylic acid;5-Oxo-2-tetrahydrofurancarboxylic acid; NSC 72000;2-Furancarboxylic acid,tetrahydro-5-oxo-; Carboxybutyrolactone; Tetrahydro-5-oxo-2-furoic acid; Glutaric acid, 2-hydroxy-, g-lactone (6CI,7CI); 

2(3H)-FURANONE, 4-(1-ETHOXYETHOXY)DIHYDRO-, (S);(3S)-3-(1-ETHOXYETHOXY)-GAMMA-BUTYROLACTONE;2(3H)-Furanone,4-(1-ethoxyethoxy)dihydro-, (4S)-; 

3-Furoicacid, tetrahydro-2-oxo-, methyl ester (8CI); Malonic acid, (2-hydroxyethyl)-, g-lactone, methyl ester (6CI);2-Methoxycarbonyl-1,4-butyrolactone; NSC238957;3-Furancarboxylic acid,tetrahydro-2-oxo-, methyl ester; Methyl 2-oxotetrahydrofuran-3-carboxylate; Methyltetrahydro-2-oxo-3-furancarboxylate; Methyl tetrahydro-2-oxo-3-furoate; 2-Oxotetrahydrofuran-3-carboxylic acidmethyl ester; 

NSC 1108; b-Phenyl-g-butyrolactone;4-Phenyldihydrofuran-2(3H)-one; 4-Phenyldihydrofuran-2-one;Hydrocinnamicacid, b-(hydroxymethyl)-, g-lactone (7CI);2(3H)-Furanone,dihydro-4-phenyl-;Dihydro-4-phenyl-2(3H)-furanone; b-Phenylbutyrolactone; Benzenepropanoicacid, b-(hydroxymethyl)-, g-lactone; 

4-Methyl-4-vinylbutyrolactone;5-Ethenyldihydro-5-methyl-2(3H)-furanone;2(3H)-Furanone,5-ethenyldihydro-5-methyl-;4-Methyl-4-hydroxy-5-hexenoic acid lactone;Dihydro-5-methyl-5-vinyl-2(3H)-furanone;2(3H)-Furanone,dihydro-5-methyl-5-vinyl- (8CI); g-Methyl-g-vinyl-g-butyrolactone; g-Vinyl-g-valerolactone; 4-Methyl-5-hexen-4-olide; 2-Vinyl-2-methyltetrahydrofuran-5-one; Lavender lactone; 5-Hexenoic acid, 4-hydroxy-4-methyl-, g-lactone (6CI,7CI); 4-Methyl-4-vinyl-4-butanolide; 

g-Carboethoxy-g-butyrolactone; NSC 202561;2-Furancarboxylic acid,tetrahydro-5-oxo-, ethyl ester; Glutaric acid, 2-hydroxy-, g-lactone, ethyl ester (6CI,7CI);2-Furoicacid, tetrahydro-5-oxo-, ethyl ester (8CI);4-Carbethoxybutyrolactone; 

2(3H)-Furanone,dihydro-3-[(3,4,5-trimethoxyphenyl)methylene]-; NSC13658; a-(3,4,5-Trimethoxybenzylidene)-g-butyrolactone;Cinnamicacid, a-(2-hydroxyethyl)-3,4,5-trimethoxy-,g-lactone (6CI,7CI,8CI); 

NSC 99037;2(3H)-Furanone,3-[(4,5-dimethoxy-2-nitrophenyl)methylene]dihydro-;Cinnamic acid, a-(2-hydroxyethyl)-4,5-dimethoxy-2-nitro-,g-lactone (7CI,8CI); a-(6-Nitroveratrylidene)-g-butyrolactone; 

a-(p-Methoxybenzylidene)-g-butyrolactone; NSC 10428; Cinnamic acid, a-(2-hydroxyethyl)-p-methoxy-, g-lactone (6CI,7CI); a-(4-Methoxybenzylidene)-g-butyrolactone;2(3H)-Furanone,dihydro-3-[(4-methoxyphenyl)methylene]-;2(3H)-Furanone,dihydro-3-(p-methoxybenzylidene)- (8CI); 

a,a-Dichloro-g-butyrolactone;2(3H)-Furanone,3,3-dichlorodihydro-;Butyricacid, 2,2-dichloro-4-hydroxy-, g-lactone (6CI,7CI); 

Hexanoicacid, 4-ethyl-4-hydroxy-, g-lactone (6CI,7CI); g,g-Diethyl-g-butyrolactone; 5,5-Diethyldihydro-2(3H)-furanone;2(3H)-Furanone,5,5-diethyldihydro-; NSC 74629; 

Butyricacid, 4-hydroxy-3-methyl-, g-lactone (6CI,7CI); 4-Hydroxy-3-methylbutyric acid g-lactone; Tetrahydro-4-methyl-2-furanone; NSC 134770; 3-Methyl-g-butyrolactone; g-Isopentyllactone;4-Methyldihydrofuran-2-one; 4-Methyltetrahydrofuran-2-one; b-Methyl-g-butyrolactone; 3-Methylbutyrolactone;Dihydro-4-methyl-2(3H)-furanone;2(3H)-Furanone,dihydro-4-methyl-; g-Isovalerolactone; 

(?à)-g-Tetradecalactone;5-Decyldihydro-2(3H)-furanone; g-Decyl-g-butyrolactone;Tetradecanoicacid, 4-hydroxy-, g-lactone (7CI); g-Tetradecalactone; (?à)-4-n-Decylbutyrolactone;2(3H)-Furanone,5-decyldihydro-; NSC 33737; 

a-(p-Hydroxybenzylidene)-g-butyrolactone;2(3H)-Furanone,dihydro-3-[(4-hydroxyphenyl)methylene]-; NSC16873;Cinnamicacid, p-hydroxy-a-(2-hydroxyethyl)-,g-lactone (6CI,7CI,8CI); 

2(3H)-Furanone,dihydro-3-[(4-methylphenyl)methylene]-; NSC 10427; a-(4-Methylbenzylidene)-g-butyrolactone;Cinnamicacid, a-(2-hydroxyethyl)-p-methyl-, g-lactone (7CI); 

a-Phenyl-g-butyrolactone;Butyricacid, 4-hydroxy-2-phenyl-, g-lactone (6CI,7CI); (?à)-Dihydro-3-phenyl-2(3H)-furanone; 2-Phenylbutyrolactone;2(3H)-Furanone,dihydro-3-phenyl-; 3-Phenyldihydrofuran-2-one;3-Phenyltetrahydro-2-furanone; 

a-Mercapto-g-butyrolactone;3-Mercaptotetrahydrofuran-2-one;Spiera;2(3H)-Furanone,dihydro-3-mercapto-; 

g-Methyl-g-(trans-3-hexenyl)butyrolactone;2(3H)-Furanone,5-(3-hexenyl)dihydro-5-methyl-, (E)- (8CI,9CI); 

4-Ethyldihydro-2(3H)-furanone;Pentanoic acid, 3-(hydroxymethyl)-, g-lactone;2(3H)-Furanone,4-ethyldihydro-; 3-Ethyl-g-butyrolactone;Valericacid, 3-(hydroxymethyl)-, g-lactone (6CI); b-Ethyl-g-butyrolactone; 3-(Hydroxymethyl)valeric acid g-lactone; 

p-(Chlorophenyl)butanolide;g-(4-Chlorophenyl)-g-butyrolactone;2(3H)-Furanone,5-(p-chlorophenyl)dihydro- (8CI);2(3H)-Furanone,5-(4-chlorophenyl)dihydro-; Butyric acid, 4-(p-chlorophenyl)-4-hydroxy-, g-lactone (6CI);