5-Amino-2-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
4-Chloro-2,3-dihydroxy-5-(trifluoromethoxy)pyridine
2,3-Diiodo-6-nitro-4-(trifluoromethoxy)pyridine
2-Bromo-3,5-dihydroxy-4-(trifluoromethoxy)pyridine
+86(0) 189-6910-6387
[email protected]