InChI=1S/C21H24N2O3S/c1-11-5-7-15(8-6-11)18-14(4)27-21(22-18)23-19(24)16-9-12(2)13(3)10-17(16)20(25)26/h5-8,16-17H,9-10H2,1-4H3,(H,25,26)(H,22,23,24)