Chemical Name: 6α,9-Difluoro-11β,17a-dihydroxy-16α-methyl-3-oxo-androsta-1,4-diene-17β-carboxylic acid ;
Synonym: Fluticasone Carboxylic Acid ; Fluticasone 17-beta-Carboxylic Acid ;
Smiles: C[C@@]12[C@](C(O)=O)(O)[C@H](C)C[C@@]1([H])[C@]3([H])C[C@H](F)C4=CC(C=C[C@]4(C)[C@@]3(F)[C@@H](O)C2)=O
Inchi: InChI=1S/C22H24F2O5S/c1-10-6-12-13-8-15(23)14-7-11(25)4-5-19(14,2)21(13,24)16(26)9-20(12,3)22(10)17(27)30-18(28)29-22/h4-5,7,10,12-13,15-16,26H,6,8-9H2,1-3H3/t10-,12+,13+,15+,16+,19+,20+,21+,22+/m1/s1
Characterisation of impurities in bulk drug batches of fluticasone propionate using directly coupled HPLC–NMR spectroscopy and HPLC–MS
Nisha Mistry a , Ismail M. Ismail b , Marco S. Smith c , Jeremy K. Nicholson d , John C. Lindon
Journal of Pharmaceutical and Biomedical Analysis 16 (1997) 697–705