6-(2,3,5-Trichlorophenyl)nicotinic acid
2-Chloro-5-(difluoromethyl)-3-nitropyridine-6-sulfonyl chloride
2-Chloro-6-(chloromethyl)-3-(difluoromethyl)-4-fluoropyridine
2-(Difluoromethyl)-4-methoxy-5-methylpyridine-3-sulfonyl chloride
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