4-(Difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-(Difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2,5-Bis(2,3-difluorophenyl)-4-iodopyridine
3-(Difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine-2-carboxylic acid