3-(Difluoromethyl)-2,6-dimethoxypyridine-5-acetonitrile
2-(Bromomethyl)-5-(difluoromethyl)-3,4-dimethoxypyridine
2-(Difluoromethyl)-3,6-dimethoxypyridine-4-acetonitrile
4-(Bromomethyl)-2-(difluoromethyl)-3,6-dimethoxypyridine
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