化学名称: (8S,9R,10S,11S,13S,14S,16S,17R)-9-Fluoro-11,17-dihydroxy-17-(2-hydroxy-2-methoxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
微笑: O=C1C=C[C@]2(C)[C@@]3(F)[C@@H](O)C[C@]4(C)[C@](C(C(O)OC)=O)(O)[C@@H](C)C[C@@]4([H])[C@]3([H])CCC2=C1
印地语: InChI=1S/C35H30N4O5/c1-35-31(43-3)23(37(2)34(42)18-11-5-4-6-12-18)17-24(44-35)38-21-15-9-7-13-19(21)25-27-28(33(41)36-32(27)40)26-20-14-8-10-16-22(20)39(35)30(26)29(25)38/h4-16,23-24,31,33,41H,17H2,1-3H3,(H,36,40)/t23-,24-,31-,33?,35+/m1/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