Methyl 3-chloro-4-(difluoromethyl)-6-nitropyridine-2-acetate
Ethyl 3-chloro-4-(difluoromethyl)-6-hydroxypyridine-2-acetate
3-Chloro-6-(difluoromethyl)-2-nitropyridine-5-sulfonamide
5-Chloro-3-(difluoromethyl)-4-hydroxypyridine-2-sulfonyl chloride
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