Synonyms: gamma-Methylene-gamma-butyrolactone; 10008-73-8; 2(3H)-Furanone, dihydro-5-methylene-; 4-Hydroxy-4-pentenoic acid gamma-lactone; EINECS 233-004-8; AC1L24UK; CHEMBL93112; 5-Methylenetetrahydrofuran-2-one; DTXSID50142924; SIFBVNDLLGPEKT-UHFFFAOYSA-N; 5-Methylenedihydro-2(5H)-furanone; ZINC2015886; Dihydro-5-methylenefuran-2(3H)-one; MFCD00042762; AKOS015905172; .gamma.-methylen-.gamma.-butyrolactone; .gamma.-Methylene-.gamma.-butyrolactone; gamma-Methylene-gamma-butyrolactone, 99%; FT-0693004; M1385; J-000034; InChI=1/C5H6O2/c1-4-2-3-5(6)7-4/h1-3H; ?-Methylene-?-butyrolactone; UNII-B6FM50XSNZ; |A-Methylene-|A-butyrolactone; 5-methylene-tetrahydro-furan-2-one; C5-H6-O2; CID66201; |A inverted exclamation marka-Angelicalactone; 5-methylenedihydrofuran-2(3H)-one; CHEBI:36439; alpha'-angelica lactone; B6FM50XSNZ; 5-methylideneoxolan-2-one; 5-Methylenedihydro-2(3H)-furanone;