2-(Difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-5-carboxylic acid
3-(Difluoromethyl)-4-methyl-2-nitropyridine-6-carboxylic acid
2-(Difluoromethyl)-4-methoxy-6-(trifluoromethyl)pyridine-3-carboxylic acid
Ethyl 3-(difluoromethyl)-2-methoxy-5-nitropyridine-6-carboxylate