InChI=1/C18H22N2O7S2/c1-26-13-4-3-11(7-14(13)27-2)9-20(12-5-6-29(24,25)10-12)16(21)8-15-17(22)19-18(23)28-15/h3-4,7,12,15H,5-6,8-10H2,1-2H3,(H,19,22,23)/t12-,15-/m1/s1/f/h19H 6327527431ACCF4F