英文名称
4-[3-benzoyl-4,5-bis[4-(dimethylamino)phenyl]-1H-imidazol-2-ylidene]-2,6-dimethylcyclohexa-2,5-dien-1-one;4-[4,5-bis[4-(dimethylamino)phenyl]-1,3-dihydroimidazol-2-ylidene]-2,6-dimethylcyclohexa-2,5-dien-1-one;4-[4,5-bis[4-(dimethylamino)phenyl]-3-ethyl-1H-imidazol-2-ylidene]-2,6-dimethylcyclohexa-2,5-dien-1-one