InChI: | InChI=1/C42H50N4O4/c1-6-24-17-23-20-42(41(48)50-5)38-29(15-16-46(21-23)39(24)42)27-12-10-13-28(36(27)44-38)31-18-30-25(7-2)22-45(3)34(35(30)40(47)49-4)19-32-26-11-8-9-14-33(26)43-37(31)32/h7-14,23-24,30-31,34-35,39,43-44H,6,15-22H2,1-5H3/b25-7- |