2-hexoxy-5-nitropyridine

6-(3,4-dichlorophenoxy)pyridine-3-sulfonic acid

6-chloro-3-[(2,6-diaminopyrimidin-4-yl)amino]-1H-pyridine-2-thione

N2-苯基-2,5-吡啶二胺

N-(5-氨基吡啶-2-基)胍