化学名称: (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-Bromo-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-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: F[C@@]1([C@]2(C=C3)C)[C@](C[C@H](Br)C2=CC3=O)([H])[C@@](C[C@H](C)[C@]4(O)C(CO)=O)([H])[C@]4(C)C[C@@H]1O
印地语: InChI=1S/C19H20N6O.2C3H6O2/c26-19(24-15-5-1-3-13(11-15)17-20-7-8-21-17)25-16-6-2-4-14(12-16)18-22-9-10-23-18;2*1-2-3(4)5/h1-6,11-12H,7-10H2,(H,20,21)(H,22,23)(H2,24,25,26);2*2H2,1H3,(H,4,5)
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