3,4-Diamino-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-(Difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2,6-Diamino-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-(Difluoromethyl)-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine