QM200877

乙酸甲泼尼龙EP杂质A（20R-异构体）

Methylprednisolone Acetate EP Impurity A (20R-Isomer)

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