4-Amino-5-(difluoromethyl)-3-methylpyridine-2-sulfonamide
5-Amino-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-(Difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-2-methanol
3-Bromo-4-nitro-2-(trifluoromethylthio)pyridine
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