英文别名BETA,BETA-DIMETHYL-GAMMA-METHYLENE-GAMMA-BUTYROLACTONE; DIHYDRO-4,4-DIMETHYL-5-METHYLENE-2(3H)-FURANONE; 4,4-Dimethyl-5-methylene-g-butyrolactone; 4,4-DIMETHYL-5-METHYLENE--BUTYROLACTONE; 2(3H)-Furanone, dihydro-4,4-dimethyl-5-methylene-; 4,4-dimethyl-5-methylideneoxolan-2-one; 4,5-dihydro-4,4-dimethyl-5-methylene (3H)-furan-2-(one); 4,4-dimethyl-5-methylene-dihydro-furan-2-one; 3,3-Dimethyl-4-penten-4-olide; 4,4-dimethyl-5-methylenedihydro-2(3H)-furanone; 3,3-Dimethyl-4-penten-4-olid; 4,4-DIMETHYL-5-METHYLENE-DIHYDROFURAN-2(3H)-ONE 
