3-acetyl-3-methyloxolan-2-one; alpha-Acetyl-alpha-methyl-gamma-butyrolactone; 3-acetyldihydro-3-methyl-; 2(3h)-Furanone;3-acetyl-3-methyloxolan-2-one;1123-19-9; 

2(3H)-Furanone,dihydro-3,3-dimethyl-; NSC 1094; 2,2-Dimethyl-g-butyrolactone; a,a-Dimethyl-g-butyrolactone; 2,2-Dimethylbutyrolactone;Butyricacid, 4-hydroxy-2,2-dimethyl-, g-lactone (6CI,7CI,8CI);Dihydro-3,3-dimethyl-2(3H)-furanone; 3,3-Dimethyldihydrofuran-2(3H)-one; 

5-Hexen-4-olide; 4-Vinylbutyrolactone; 5-Hexenoicacid, 4-hydroxy-, g-lactone (7CI); 4-Vinyl-4-butyrolactone;2(3H)-Furanone,5-ethenyldihydro-; g-Vinyl-g-butyrolactone; 5-Hexenoic acid, 4-hydroxy-, lactone (6CI);2(3H)-Furanone,dihydro-5-vinyl- (8CI); 

γ-methyl-α-(trifluoromethyl)-γ-valerolactone;GAMMA-METHYL-ALPHA-(TRIFLUOROMETHYL)-GAMMA-VALEROLACTONE;Gamma-methyl-α-(trifluoromethyl)-gamma-valerolactone;DIHYDRO-5,5-DIMETHYL-3-(TRIFLUOROMETHYL)-2(3H)-FURANONE;GAMMA,GAMMA-DIMETHYL-ALPHA-TRIFLUOROMETHYL-GAMMA-BUTYROLACTONE;gamma,gamma-dimethyl-alpha-trifluoromethyl-gamma-butyrolactone95+%;GAMMA-METHYL-ALPHA-(TRIFLUOROMETHYL)-GAM;-METHYL-ALPHA-(TRIFLUOROMETHYL)--VALEROLACTONE;2(3H)-Furanone,dihydro-5,5-dimethyl-3-(trifluoromethyl)-; 

.gamma.-Phenyl-.gamma.-butyrolactone; 4-Phenyl-4-butanolide; NSC 24259;4-Phenylbutanolide; 5-phenyloxolan-2-one;5-phenyloxolan-2-one; 1008-76-0; 

(S)-(+)-GAMMA-CARBOXY-GAMMA-BUTYROLACTONE;5-OXO-2-TETRAHYDROFURANCARBOXYLIC ACID (S-);(S)-(+)-5-OXOTETRAHYDROFURAN-2-CARBOXYLIC ACID;2-Furancarbonyl chloride, tetrahydro-5-oxo-, (2S)- (9CI);TOF;(S)-(+)-TETRAHYDRO-5-OXO-2-FURANECARBOXYLIC ACID;5-OXOTETRAHYDROFURAN-2-CARBOXYLIC ACID;(s)-(+)-5-oxotetrahydrofuran-2-carboxylic acid;(S)-5-OXOTETRAHYDROFURAN-2-CARBOXYLIC ACID;(S)-(+)-TETRAHYDRO-5-OXO-2-FURANCARBOXYLIC ACID;(S)-(+)-5-OXO-2-TETRAHYDROFURANCARBOXYLIC ACID;(S)-(+)-5-OXO-2-TETRAHYDROFUROIC ACID;(S)-GAMMA-CARBOXY-GAMMA-BUTYROLACTONE;TIMTEC-BB SBB006581; 

2(3H)-Furanone,5-[(4-fluorophenoxy)methyl]dihydro-, (5S)-;2(3H)-Furanone,5-[(4-fluorophenoxy)methyl]dihydro-, (S)-; 5S-(+)-(4-Fluorophenoxymethyl-g-butyrolactone; 

1,4-Butanolide-d6;77568-65-1; 2-Oxotetrahydrofuran-d6; 1-Oxacyclopentan-2-one-d6; |A-Butyryllactone-d6; |A-Butyrolactone-d6;3,3,4,4,5,5-hexadeuteriooxolan-2-one; 

10008-73-8; 5-Methylenedihydro-2(3H)-furanone; 5-methylenedihydrofuran-2(3H)-one;5-methylideneoxolan-2-one;gamma-Methylene-gamma-butyrolactone; 

A-TRIFLUOROACETYL-G-BUTYROLACTONE;2(3H)-Furanone, dihydro-3-(trifluoroacetyl)- (9CI); 

2(3H)-Furanone,3-aminodihydro-,(3S)-(9CI);L-Homoserine lactone;(S)-3-Amino-4,5-dihydrofuran-2(3H)-one;(3S)-3β-Aminooxolane-2-one;(S)-3β-Aminotetrahydrofuran-2-one;L-Homoserine lactone, (S)-2-Amino-4-butyrolactone hydrochloride;l-homoserine lactone, hydrochloride;3β-Amino-4,5-dihydrofuran-2(3H)-one;(3S)-3-Amino-4,5-dihydrofuran-2(3H)-one; 

(i)-beta-butyrolactone;(rs)-beta-butyrolactone;(+/-)-b-Butyrolactone;(+-)-2-oxetanon;rac-(4R*)-4-Methyloxetane-2-one;rac-(3R*)-3-Hydroxybutanoic acid 1,3-lactone;rac-(R*)-3-Hydroxybutanoic acid lactone; 

DIHYDRO-4,4-DIMETHYL-5-METHYLENE-2(3H)-FURANONE;4,4-DIMETHYL-5-METHYLENE-GAMMA-BUTYROLACTONE;4,4-DIMETHYL-5-METHYLENE--BUTYROLACTONE;2(3H)-Furanone,dihydro-4,4-dimethyl-5-methylene-;4,4-Dimethyl-5-methylene-g-butyrolactone;AKOS 8;BETA,BETA-DIMETHYL-GAMMA-METHYLENE-GAMMA-BUTYROLACTONE; 

a-Methacryloyloxy-g-butyrolactone; g-Butyrolactone-2-yl methacrylate;2-Propenoic acid,2-methyl-, tetrahydro-2-oxo-3-furanyl ester; g-Butyrolactone methacrylate; 

Butyrolactone I;AKA (BL-1);BUTYROLACTONE I;2,5-Dihydro-4-hydroxy-2-[4-hydroxy-3-(3-methyl-2-butenyl)benzyl]-3-(4-hydroxyphenyl)-5-oxofuran-2-carboxylic acid methyl ester; 

g-(Hydroxymethyl)-g-butyrolactone;5-Hydroxy-4-pentanolide;Valericacid, 4,5-dihydroxy-, g-lactone (6CI,7CI); 4-Hydroxymethyl-g-butyrolactone; d-Hydroxy-g-valerolactone; 5-Hydroxymethyldihydrofuran-2-one; 4,5-Dihydroxypentanoic acid g-lactone; NSC 128380;Dihydro-5-(hydroxymethyl)-2(3H)furanone;2(3H)-Furanone,dihydro-5-(hydroxymethyl)-; 

2(3H)-Furanone,3-bromodihydro-5-methyl-; a-Bromo-g-valerolactone;2-Bromo-4-methyl-g-butanolide;Valericacid, 2-bromo-4-hydroxy-, g-lactone (6CI); 2(3H)-Furanone, 3-bromo-5-methyldihydro-;NSC 91486; a-Bromo-g-methyl-g-butyrolactone;3-Bromo-5-methyltetrahydrofuran-2-one; g-Methyl-a-bromobutyrolactone; 3-Bromodihydro-5-methyl-2(3H)-Furanone; 

3-Bromo-3-methyl-2-butyrolactone; NSC 238959; a-Bromo-a-methyl-g-butyrolactone;2(3H)-Furanone,3-bromodihydro-3-methyl-;2-Bromo-2-methylbutanolide; 

(S)-4-Methyldihydrofuran-2-one;(S)-4-Methyldihydrofuran-2-one;2(3H)-Furanone,dihydro-4-methyl-, (S)-; (S)-3-Methyl-g-butyrolactone; (S)-b-Methyl-g-butyrolactone;2(3H)-Furanone,dihydro-4-methyl-, (4S)-; 

2-Acetyl-2-chlorobutyrolactone;2(3H)-Furanone,3-acetyl-3-chlorodihydro-; a-Acetyl-a-chloro-g-butyrolactone;Acetoaceticacid, 2-chloro-2-(2-hydroxyethyl)-, g-lactone (6CI,7CI);