InChI=1/C20H18N2O5S/c1-10-8-14(22-27-10)18(23)21-19-17(20(24)26-3)16-13-6-5-12(25-2)9-11(13)4-7-15(16)28-19/h5-6,8-9H,4,7H2,1-3H3,(H,21,23)/f/h21H FAD27A21B2D2447D