Fluocinolone base(pregna-1,4-diene-3,20-dione,6a,9-difluora-11b,16a,17,21-tetrahydroxy) Suppliers, Fluocinolone base(pregna-1,4-diene-3,20-dione,6a,9-difluora-11b,16a,17,21-tetrahydroxy) Manufacturers.