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