2-Chloro-6-methyl-3-nitropyridin-4-amine
2-Chloro-6,7-dihydro-5h-cyclopenta[b]pyridin-4-amine
4-Amino-6,7-dihydro-1H-cyclopenta[b]pyridin-2(5h)-one
1'-Methyl-1-oxo-2-(pyridin-3-ylmethyl)-2,4-dihydro-1H-spiro[isoquinoline-3,4'-piperidine]-4-carboxylic acid