化学名称: 9,11β-Epoxy-17,21-dihydroxy-16β-methyl-9β-pregna-1,4-diene-3,20-dione
微笑: [H][C@@]12C[C@@H]([C@@]([C@]1(C[C@H]3[C@]4(O3)[C@@]2([H])CCC5=CC(C=C[C@]45C)=O)C)(C(CO)=O)O)C
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