4-(Difluoromethyl)-3-methyl-5-(trifluoromethyl)pyridine
2-(Chloromethyl)-4-(difluoromethyl)pyridine
4-(Difluoromethyl)-2-methyl-5-(trifluoromethyl)pyridine
3-(Difluoromethyl)-5-methyl-4-(trifluoromethyl)pyridine
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