InChI=1/C21H28N2O3S/c1-21(2,3)17-5-11-20(12-6-17)27(24,25)23-15-13-22(14-16-23)18-7-9-19(26-4)10-8-18/h5-12H,13-16H2,1-4H3 758B06A1636DE90F