6-nitroindole
7-cyanomethyl-1-methoxy-6-nitroindole
4-amino-3-p-chlorophenoxy-2-p-chlorophenoxymethyl-7-nitropyrimido[1,2-a]indole-10-carbaldehyde
4-amino-3-p-chIorophenoxy-2-p-chIorophenoxymethyI-10-methyl-7-nitropyrimido[1,2-a]indole
diethyl 2-(6-nitroindol-3-yl)methylmalonate