2-allyl-6-ethyl-9-methyl-3-phenyl-6H-pyrido[4,3-b]carbazol-2-ium triflate

6-ethyl-7,9-dimethyl-3-phenyl-2-p-tolyl-6H-pyrido[4,3-b]carbazol-2-ium triflate

2-bromo-9-ethyl-6-methyl-9H-carbazole-3-carboxylic acid

2-bromo-9-ethyl-6-methyl-9H-carbazole-3-carboxamide

10-ethyl-7-methyl-2-phenyl-3H-pyrimido[4,5-b]carbazol-4(10H)-one