2-oxo-4-phenylpyrimido<4,5-b>indole
2-Methyl-1-phenyl-1,4-dihydro-2H-pyrrolo[3,4-b]indol-3-one
2-Ethyl-1-phenyl-1,4-dihydro-2H-pyrrolo[3,4-b]indol-3-one
4-(2-Chloro-phenyl)-1,3,4,9-tetrahydro-pyrimido[4,5-b]indol-2-one
3-(Amino-phenyl-methyl)-1H-indole-2-carbonyl azide