英文名称
2,4-Bis(4'-methylspiro[1,3-dihydroperimidine-2,1'-cyclohexane]-4-yl)cyclobutane-1,3-diolate;2,4-bis(1,2,2,3-tetramethylperimidin-4-yl)cyclobutane-1,3-diolate;2-(2,2-diethyl-1,3-dihydroperimidin-4-yl)-4-(2-ethyl-2-methyl-1,3-dihydroperimidin-4-yl)cyclobutane-1,3-diolate