InChI=1S/C22H24N2O4S/c25-20(14-23-21(26)19(29)13-15-7-3-1-4-8-15)24-17(11-12-18(24)22(27)28)16-9-5-2-6-10-16/h1-10,17-19,29H,11-14H2,(H,23,26)(H,27,28)/t17-,18+,19+/m1/s1