InChI=1/C18H18N2O5S2/c1-13-12-15(20-18(21)9-11-26(20,22)23)6-7-17(13)27(24,25)19-10-8-14-4-2-3-5-16(14)19/h2-7,12H,8-11H2,1H3 F68B75AE178BBB48