中文名称：(8S,9R,10S,11S,13S,14S,16R,17R)-9-氟-11-羟基-17-(2-羟基乙酰基)-10,13,16-三甲基-3-氧代-6,7,8,9,10,11,12,13,14,15,16,17-十二氢-3H-环戊酸[a]菲-17-戊酸酯 （戊酸倍他米松杂质）
英文名称：(8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl pentanoate (Betamethasone Valerate Impurity)
CAS：33755-46-3
纯度：98%
