2-Bromo-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
5-(Difluoromethyl)-2-methoxy-3-nitropyridine-6-sulfonyl chloride
2-Chloro-6-(difluoromethyl)-4-iodopyridine-3-carboxamide
6-(Difluoromethyl)-4-methoxy-2-nitropyridine-3-sulfonyl chloride