3,4-Diamino-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Difluoromethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3,4-Diamino-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-(Difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine