3-(Difluoromethyl)-4,6-dimethoxypyridine-2-sulfonyl chloride
3-(Difluoromethyl)-4,5-dimethoxypyridine-2-methanol
3-(Difluoromethyl)-2,4-dimethoxypyridine-5-sulfonyl chloride
5-(Difluoromethyl)-2,3-dimethoxypyridine-6-sulfonyl chloride
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