Ethyl 6-(difluoromethyl)-4-hydroxy-3-methylpyridine-2-acetate
6-(Aminomethyl)-4-(difluoromethyl)-3-hydroxy-2-(trifluoromethyl)pyridine
Ethyl 3-(aminomethyl)-6-(difluoromethyl)-4-hydroxypyridine-2-carboxylate
2-(Aminomethyl)-4-(difluoromethyl)-5-hydroxypyridine-3-methanol