InChI=1/C17H20N2O6S/c20-15(16(21)19-12-5-8-26(22,23)10-12)18-11-3-4-13-14(9-11)25-17(24-13)6-1-2-7-17/h3-4,9,12H,1-2,5-8,10H2,(H,18,20)(H,19,21)/t12-/m0/s1/f/h18-19H 83D5D2E54E59656E