InChI: | InChI=1/C42H50N6O4/c1-8-11-17-38(52-37-23-20-29(41(4,5)9-2)24-32(37)42(6,7)10-3)39(50)45-33-26-36(49)35(25-34(33)48-47-31-15-13-12-14-16-31)46-40(51)44-30-21-18-28(27-43)19-22-30/h12-16,18-26,38,47-48H,8-11,17H2,1-7H3,(H,44,51)(H,45,50)/b46-35+ |