InChI=1S/C35H57N7O15.Gd/c43-19-24(46)14-36-30(49)7-4-27(33(52)53)40-10-12-41(28(34(54)55)5-8-31(50)37-15-25(47)20-44)17-22-2-1-3-23(39-22)18-42(13-11-40)29(35(56)57)6-9-32(51)38-16-26(48)21-45;/h1-3,24-29,43-48H,4-21H2,(H,36,49)(H,37,50)(H,38,51)(H,52,53)(H,54,55)(H,56,57);/q;+3/p-3