InChI=1/C18H20N2O4S/c1-10-7-11(2)13(4)18(12(10)3)25(22,23)20-14-5-6-16-15(8-14)19-17(21)9-24-16/h5-8,20H,9H2,1-4H3,(H,19,21)/f/h19H C95FBF0196D9E2E1