Methyl 4-(aminomethyl)-6-(difluoromethyl)-3-methylpyridine-2-acetate
Methyl 4-(aminomethyl)-2-(difluoromethyl)-3-methylpyridine-6-acetate
Methyl 4-(aminomethyl)-2-(difluoromethyl)-3-methylpyridine-5-acetate
Methyl 5-(aminomethyl)-3-(difluoromethyl)-2-methylpyridine-4-acetate