1-benzyl-2-(tert-butyl)-4,6-diphenylpyridin-1-ium

1-benzyl-4-phenyl-2-tert-butyl-5,6-dihydro-benzoquinolinium cation

N-Benzyl-5,6-dihydro-2,4-diphenylbenzo[h]quinolinium

p-Nitrocumyl p-tolyl sulfone

N-Benzyl-5,6,8,9-tetrahydro-7-phenyldibenzo[c,h]acridinium