Nome Químico: Ethyl (E)-2-((9R,10S,11S,13S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)acetate
Sorrisos: O=C(OCC)/C=C1[C@@H](C)CC2C3CCC4=CC(C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]\12C)=O
Inchi: InChI=1/C38H49NO6/c1-3-39(26-16-17-27-44-35(40)37(42,31-18-8-4-9-19-31)32-20-10-5-11-21-32)28-30(2)29-45-36(41)38(43,33-22-12-6-13-23-33)34-24-14-7-15-25-34/h4,6,8-9,12-13,18-19,22-23,32,34,42-43H,2-3,5,7,10-11,14-15,20-21,24-29H2,1H3
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