InChI: | InChI=1/C37H48Cl4N4O4/c1-25(2)16-14-12-10-8-6-4-3-5-7-9-11-13-15-17-26(37(48)49)20-34(46)42-28-18-19-29(39)32(23-28)43-33-24-35(47)45(44-33)36-30(40)21-27(38)22-31(36)41/h3-4,18-19,21-23,25-26H,5-17,20,24H2,1-2H3,(H,42,46)(H,43,44)(H,48,49)/b4-3+ |