InChI=1/C17H16N2O5S/c20-17(12-2-7-15-16(10-12)24-11-23-15)18-13-3-5-14(6-4-13)19-8-1-9-25(19,21)22/h2-7,10H,1,8-9,11H2,(H,18,20)/f/h18H C53C30393C4149B3