Betamethasone,cypoterone acetate,8dm,db11
We supply pharmaceutical ingredients or their intermediates as following: 1.betamethasone series: betamethasone db11(16ß-methyl epoxide) beclomethasone dipropionate clobetasol propionate betamethasone valerate betamethasone acetate betamethasone dipropionate 2.cyproterone acetate seies: cyproterone acetate 17a-hydroxy progesterone acetate 3.dexamethasone series:8dm(16a-methyl epoxide)