3-(Difluoromethyl)-5-methoxy-2-methylpyridine-6-carboxylic acid
Methyl 2-(difluoromethyl)-3-methoxy-6-nitropyridine-5-acetate
Methyl 4-(difluoromethyl)-2-methoxy-6-methylpyridine-3-acetate
Methyl 2-(difluoromethyl)-3-methoxy-5-nitropyridine-6-acetate