5-Amino-4-(difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
3-Amino-4-(difluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
6-Amino-2-chloro-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-Amino-2-(difluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine