InChI=1S/C22H22N2O5S/c25-21(26)15-20(22(27)23-13-12-16-6-2-1-3-7-16)24-30(28,29)19-11-10-17-8-4-5-9-18(17)14-19/h1-11,14,20,24H,12-13,15H2,(H,23,27)(H,25,26)