1-benzyl-3-[(2Z)-2-(tert-butyl)-5,5-dimethyl-4-oxohex-2-en-1-yl]-1H-imidazol-3-ium bromide
1-benzyl-6,8-di(tert-butyl)-1H-imidazo[1,2-a]pyridin-4-ium bromide
5-benzyl-2,4-di(tert-butyl)-5H-pyrido[1,2-a]benzimidazol-10-ium bromide
1-benzyl-3-[(2Z)-2-tert-butyl-5,5-dimethyl-4-oxohex-2-en-1-yl]-1H-benzimidazol-3-ium bromide
1-benzyl-6,8-di-tert-butyl-1,5-dihydroimidazo[1,2-a]azepin-4-ium bromide