2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-6-acetic acid
6-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonamide
2,5-Diiodopyridine-4-sulfonyl chloride
3-Bromo-6-(difluoromethyl)-2-nitropyridine-5-sulfonamide
+86(0) 189-6910-6387
[email protected]