InChI=1/C21H28N2O7S/c1-3-4-14-30-17-5-7-18(8-6-17)31(27,28)16-21(20(25)22-26)10-12-23(13-11-21)19(24)9-15-29-2/h5-8,26H,9-16H2,1-2H3,(H,22,25)/f/h22H FB3CED7287BA0424