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