倍他米松杂质 D
倍他米松EP杂质D;倍他米松21-O-乙基碳酸酯;倍他米松杂质D(EP);倍他米松杂质5;倍他米松D;倍他米松杂质D;乙基(2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-氟-11,17-二羟基-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-环戊烷[A]菲-17-基)-2-氧乙基)碳酸盐(倍他米松杂质);倍他米松杂质4(倍他米松EP杂质D)
Betamethasone EP Impurity D
BetamethasoneEPImpurityD;BetamethasoneImpurity4（BetamethasoneEPImpurityD）;ethyl(2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl)carbonate;BetamethasoneimpurityD;Betamethasone21-(ethylcarbonate);9-Fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-21-ylethoxycarboxylate;Ethyl(2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-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)-2-oxoethyl)carbonate(BetamethasoneImpurity);Pregna-1,4-diene-3,20-dione,21-[(ethoxycarbonyl)oxy]-9-fluoro-11,17-dihydroxy-16-methyl-,(11β,16β)-
52619-05-3
C25H33FO7
464.52
1.30±0.1 g/cm3(Predicted)
591.8±50.0 °C(Predicted)
可溶于乙酸乙酯（轻微）、甲醇（轻微、超声处理）
