QB201301

倍他米松 EP 杂质 A；醋酸地塞米松 EP 杂质 A；地塞米松；磷酸地塞米松钠 EP 杂质 A；异烟酸地塞米松 EP 杂质 A

Betamethasone EP Impurity A;Dexamethasone Acetate EP Impurity A;Dexamethasone;Dexamethasone Sodium Phosphate EP Impurity A;Dexamethasone isonicotinate EP Impurity A

别名：(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one