2-(p-methoxbenzyl)-1,2,3,4-tetrahydro-5,11-dimethylpyrido(4,3-b)carbazole

5-hydroxy-5-methyl-indolo(1,2-b)(2,7)naphthyridin-12-one

phenylmethyl 5,11-dimethyl-1,2,3,4-tetrahydropyrido[4,3-b]carbazole-2-carboxylate

1,4-二甲基-3-甲酰基咔唑

5,8-dimethyl-N-(2-nitrophenyl)isoquinolin-6-amine