2-Amino-5-cyano-3-(difluoromethyl)-4-methylpyridine
6-Amino-4-cyano-3-(difluoromethyl)-2-methylpyridine
5-Bromo-4-(difluoromethyl)-3-methoxy-2-methylpyridine
3-Bromo-2-(difluoromethyl)-5-methoxy-6-methylpyridine
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