2-(Difluoromethyl)-6-methyl-3-nitropyridine-4-sulfonyl chloride
6-(Difluoromethyl)-3-methyl-2-nitropyridine-4-sulfonyl chloride
4-(Difluoromethyl)-6-methoxy-2-(trifluoromethyl)pyridine-3-methanol
2-(Difluoromethyl)-4-methyl-6-nitropyridine-3-sulfonyl chloride