Ethyl 3-(difluoromethyl)-2-methylpyridine-5-carboxylate
3-(Difluoromethyl)-4-methylpyridine-2-sulfonyl chloride
3-(Difluoromethyl)-2-methylpyridine-4-sulfonyl chloride
Ethyl 2,4-diamino-3-(difluoromethyl)pyridine-5-carboxylate
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