InChI=1/C21H26N2O4S2/c1-14-13-22-21(28-14)23-20(24)19(12-15-8-10-27-11-9-15)16-2-4-17(5-3-16)29(25,26)18-6-7-18/h2-5,13,15,18-19H,6-12H2,1H3,(H,22,23,24)/t19-/m1/s1/f/h23H D0C61616AB0D0103