InChI=1S/C29H30N8O4S/c1-17(42-16-20(30)29(40)41)15-23(38)36-13-4-5-21(36)27-35-24(25-26(31)33-12-14-37(25)27)18-7-9-19(10-8-18)28(39)34-22-6-2-3-11-32-22/h2-3,6-12,14-15,20-21H,4-5,13,16,30H2,1H3,(H2,31,33)(H,40,41)(H,32,34,39)/b17-15-/t20-,21+/m1/s1