2-(Difluoromethyl)-6-methyl-3-nitropyridine-5-sulfonyl chloride
2-(Difluoromethyl)-5-methyl-6-nitropyridine-3-sulfonyl chloride
Methyl 5-(difluoromethyl)-4-methoxy-2-nitropyridine-3-acetate
6-(Difluoromethyl)-3-methyl-4-nitropyridine-2-sulfonyl chloride