3-Amino-2-hydroxy-5-(trifluoromethoxy)pyridine-4-carbonyl chloride
Ethyl 4,5-diamino-2-(trifluoromethoxy)pyridine-3-carboxylate
2-Amino-5-cyano-3-(difluoromethyl)pyridine-6-sulfonyl chloride
4-(2,3-Dichlorophenyl)-3,5,6-trifluoropyridine-2-acetic acid