英文别名(6α,11β,17Z)-11,20-Dihydroxy-6-methyl-3-oxopregna-1,4,17-trien-21-al; (2Z)-2-Hydroxy-2-[(6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ylidene]acetaldehyde; Methylprednisolone Impurity 6; (6a,11b)-11,20-Dihydroxy-6-methyl-3-oxopregna-1,4,17(20)-trien-21-al; (6alpha,11beta)-11,20-Dihydroxy-6-methyl-3-oxopregna-1,4,17(20)-trien-21-al; Methylprednisolone Related Impurity B1; Methyl Prednisolone EP Impurity D; Methylprednisolone Impurity 4; Methylprednisolone EP IMP D; Pregna-1,4,17(20)-trien-21-al, 11,20-dihydroxy-6-methyl-3-oxo-, (6α,11β)- 
