tert-butyl N-methyl-N-[1-(4-nitrophenyl)pyrrolidin-3-yl]carbamate

4-nitro-N-(2-pyrrolidin-1-ylethyl)aniline

9-(4-aminophenyl)purin-6-amine

5-methyl-2-(4-nitrophenyl)sulfanylpyridine-3-carbonitrile

5-formyl-2-(4-nitrophenyl)sulfanylpyridine-3-carbonitrile