5-Chloro-3-(difluoromethyl)-4-hydroxypyridine-2-sulfonyl chloride
2-Chloro-6-(difluoromethyl)-3-hydroxypyridine-4-sulfonyl chloride
5-(Aminomethyl)-2-chloro-4-(difluoromethyl)pyridine-3-methanol
4-Chloro-3-(difluoromethyl)-2-iodo-6-methoxypyridine
+86(0) 189-6910-6387
[email protected]