化学名称: (8S,9S,10R,13S,14S,16S,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-8,9,10,13,14,15,16,17-octahydro-3H-cyclopenta[a]phenanthrene-3,6(7H)-dione
微笑: [H][C@@]1([C@](C2=CC3=O)(C=C3)C)[C@](CC2=O)([H])[C@@](C[C@H](C)[C@]4(O)C(CO)=O)([H])[C@]4(C)C=C1
印地语: InChI=1S/C20H28NO4/c1-3-9-21(2)16-10-14(11-17(21)19-18(16)25-19)24-20(23)15(12-22)13-7-5-4-6-8-13/h4-8,14-19,22H,3,9-12H2,1-2H3/q+1/t14-,15-,16-,17+,18-,19+,21+/m1/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