InChI=1S/C22H26N2O3S/c1-24(25)12-5-6-19(24)15-18-16-23-22-10-9-17(14-21(18)22)11-13-28(26,27)20-7-3-2-4-8-20/h2-4,7-10,14,16,19,23H,5-6,11-13,15H2,1H3/t19-,24?/m1/s1