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