化学名称: (8S,9R,10S,11S,13S,14S,17R)-9-Fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-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(CC[C@]3([H])[C@]2(F)[C@@H](O)C[C@@]4(C)[C@@]3([H])CC[C@]4(O)C(CO)=O)=C1
印地语: InChI=1S/C30H39N5O4/c1-30(2,3)27(34-29(38)39-4)28(37)33-25(18-21-10-6-5-7-11-21)26(36)20-35(31)19-22-13-15-23(16-14-22)24-12-8-9-17-32-24/h5-17,25-27,36H,18-20,31H2,1-4H3,(H,33,37)(H,34,38)/t25-,26-,27+/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