Diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
6-Fluoro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Amino-4-bromo-2-(difluoromethyl)-6-methylpyridine
3-Amino-2-hydroxy-5-(trifluoromethoxy)pyridine-6-acetonitrile