Methyl 4-(aminomethyl)-3-(difluoromethyl)-2-hydroxypyridine-6-carboxylate
5-(Difluoromethyl)-4-hydroxy-3-methylpyridine-2-methanol
Methyl 3-(aminomethyl)-5-(difluoromethyl)-6-hydroxypyridine-2-carboxylate
Methyl 3-(aminomethyl)-2-(difluoromethyl)-6-hydroxypyridine-4-carboxylate