4-(Difluoromethyl)-2,5-dihydroxy-3-fluoropyridine
3-(Difluoromethyl)-2,5-dihydroxy-4-fluoropyridine
2-(Difluoromethyl)-4,6-dihydroxy-3-fluoropyridine
6-(Difluoromethyl)-2,4-dihydroxy-3-fluoropyridine
+86(0) 189-6910-6387
[email protected]