4-Chloro-2-(difluoromethyl)-3-hydroxypyridine-5-carboxaldehyde
5-Chloro-3-(difluoromethyl)-2-hydroxy-4-iodopyridine
3-Chloro-5-(difluoromethyl)-6-hydroxypyridine-2-carboxaldehyde
5-Chloro-3-(difluoromethyl)-4-hydroxy-2-iodopyridine
+86(0) 189-6910-6387
[email protected]