4-Nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Nitro-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Methoxy-4-(trifluoromethoxy)pyridine-2-acetic acid
+86(0) 189-6910-6387
[email protected]