英文别名
1,2-dimethyl-3,4-bismethylenecyclobutene;1,2-dimethyl-3,4-dimethylenecyclobutene;1,2-Dimethyl-3,4-dimethylencyclobuten;1,2-Dimethyl-3,4-bis-methylen-cyclobuten-(1);1,2-Dimethyl-3,4-dimethylen-cyclobuten-(1);1,2-Dimethylen-3,4-dimethyl-cyclobuten-(1);Cyclobutene, dimethylbis(methylene)-