InChI: | InChI=1/C52H70N4O4/c1-59-47-25-21-43(22-26-47)29-35-55-37-31-51(32-38-55,45-15-9-7-10-16-45)41-53-49(57)19-13-5-3-4-6-14-20-50(58)54-42-52(46-17-11-8-12-18-46)33-39-56(40-34-52)36-30-44-23-27-48(60-2)28-24-44/h7-12,15-18,21-28H,3-6,13-14,19-20,29-42H2,1-2H3,(H,53,57)(H,54,58) |