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