4-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine-5-sulfonyl chloride
3-(Aminomethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
(4-(Pyridin-2-yl)phenyl)methanamine dihydrochloride
Ethyl 3-cyano-4-mercaptopyridine-2-acetate