4-(Difluoromethyl)-2,3-dimethoxypyridine-6-sulfonyl chloride
4-Amino-3-bromo-2-(difluoromethyl)-5-methoxypyridine
4-Amino-6-bromo-3-(difluoromethyl)-2-methoxypyridine
4-Amino-6-bromo-2-chloro-3-(difluoromethyl)pyridine
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