化学名称: 9,11-Epoxy-17,21-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-17-yl-pentanoate
微笑: O=C1C=C[C@@]2(C)C(CC[C@]3([H])[C@@]24[C@@H](O4)C[C@@]5(C)[C@@]3([H])C[C@H](C)[C@]5(OC(CCCC)=O)C(CO)=O)=C1
印地语: InChI=1S/C52H43F10N5O8.ClH/c1-28-43(30-14-7-20-40(74-2)45(30)55)47(70)67(49(72)64(28)24-32-34(51(57,58)59)16-9-18-36(32)53)27-39-44(31-15-8-21-41(75-3)46(31)56)48(71)66(26-38(29-12-5-4-6-13-29)63-23-11-22-42(68)69)50(73)65(39)25-33-35(52(60,61)62)17-10-19-37(33)54;/h4-10,12-21,38,63H,11,22-27H2,1-3H3,(H,68,69);1H/p-1/t38-;/m0./s1
Application of LC–MSn in conjunction with mechanism-based stress studies in the elucidation of drug impurity structure: Rapid identification of a process impurity in betamethasone 17-valerate drug substance
Min Li, Mingxiang Lin, Abu Rustum
Journal of Pharmaceutical and Biomedical Analysis 48 (2008) 1451–1456
Development and Validation of Stability-indicating HPLC Method for Betamethoasone Dipropionate and Related Substances in Topical Formulation
A. s. vairale*, p. sivaswaroop1 and s. bandana
Indian Journal of Pharmaceutical Sciences 74(2):107-15