2-Chloro-5-(difluoromethyl)-3,4-dimethoxypyridine
3-Chloro-4-(difluoromethyl)-2,6-dimethoxypyridine
4-Chloro-2-(difluoromethyl)-3,6-dimethoxypyridine
3-Chloro-4-(difluoromethyl)-2,5-dimethoxypyridine
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