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