化学名称: (11β,16β,17E)-9-Fluoro-11,20-dihydroxy-16-methyl-3-oxo-pregna-1,4,17(20)-trien-21-al; (E)-9-Fluoro-11β,20-dihydroxy-16β-methyl-3-oxopregna-1,4,17(20)-trien-21-a
微笑: F[C@@]1([C@]2(C=C3)C)[C@](CCC2=CC3=O)([H])[C@@](C[C@H](C)/C4=C(O)/C=O)([H])[C@]4(C)C[C@@H]1O
印地语: InChI=1S/C22H27FO4/c1-12-8-16-15-5-4-13-9-14(25)6-7-21(13,3)22(15,23)18(27)10-20(16,2)19(12)17(26)11-24/h6-7,9,11-12,15-16,18,26-27H,4-5,8,10H2,1-3H3/b19-17-/t12-,15-,16-,18-,20-,21-,22-/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