5-(Difluoromethyl)-2,3-dimethoxy-6-iodopyridine
2-(Difluoromethyl)-3,4-dimethoxypyridine-6-acetonitrile
4-(Difluoromethyl)-2,3-dimethoxy-5-iodopyridine
3-(Difluoromethyl)-2,6-dimethoxypyridine-5-acetonitrile
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