Synonyms:
2,2-dimethyl-3-isopropyliden-beta-propiolactone ; 3,3-dimethyl-4-(1-methylethylidene)oxetan-2-one ; einecs 221-643-5 ; 2,2,4-trimethyl-3-penten-3-olide ; 3-pentenoic acid, 3-hydroxy-2,2,4-trimethyl-, beta-lactone ; 3-hydroxy-2,2,4-trimethyl-3-pentenoic acid, beta-lactone ; 2-oxetanone, 3,3-dimethyl-4-(1-methylethylidene)- (9ci) ; 4-isopropylidene-3,3-dimethyl-2-oxetanone ; 2,2,4-trimethyl-3-hydroxy-3-pentenoicacidbeta-lactone ; 2-oxetanone, 4-isopropylidene-3,3-dimethyl-