3,6-Dimethoxy-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-5-iodo-3-(trifluoromethoxy)pyridine
2,4-Dimethoxy-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine
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