化学名称: 11α,17,21-Trihydroxy-16β-methylpregna-1,4-diene-3,20-dione
微笑: C[C@@]12[C@](C(CO)=O)(O)[C@@H](C)C[C@@]1([H])[C@]3([H])CCC4=CC(C=C[C@]4(C)[C@@]3([H])[C@H](O)C2)=O
印地语: InChI=1S/C22H28O4/c1-13-10-18-16-5-4-14-11-15(24)6-8-20(14,2)17(16)7-9-21(18,3)22(13,26)19(25)12-23/h6-9,11,13,16-18,23,26H,4-5,10,12H2,1-3H3/t13-,16+,17-,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