InChI=1/C18H20N2O4S2/c1-14-5-7-15(8-6-14)25-18-10-9-16(13-17(18)20(21)22)26(23,24)19-11-3-2-4-12-19/h5-10,13H,2-4,11-12H2,1H3 F8720426E09577D8