2-Bromo-6-(difluoromethyl)-4-hydroxy-3-nitropyridine
4-(Aminomethyl)-3-bromo-6-(difluoromethyl)-2-hydroxypyridine
5-Bromo-3-(difluoromethyl)-4-hydroxy-2-methylpyridine
3-Bromo-4-(difluoromethyl)-2-hydroxy-5-methylpyridine
+86(0) 189-6910-6387
[email protected]