5-Amino-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
3-Amino-4-methoxy-2-nitro-5-(trifluoromethoxy)pyridine
5-Amino-3-(chloromethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
3-Amino-5-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine