2,3-Dimethoxy-4-methyl-5-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine
3,5-Dimethoxy-2-hydroxy-4-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
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