5,5-dimethyl-4-methylidene-1,3-dioxolan-2-one, EINECS 224-653-8, 5-methylene-4,4-dimethyl-1,3-dioxolan-2-one, 4-methylene-5,5-dimethyl-1,3-dioxolan-2-one, 5,5-dimethyl-4-methylene-1,3-dioxolan-2-one, 4,4-dimethyl-5-methylen-1,3-dioxolan-2-one, 4,4-dimethyl-5-methylene-1,3-dioxolan-2-one