4,30-Dioxa-7,9,13,17,21,25,27-heptaazatritriacontanedioic acid,17-(4-aminobutyl)-6,6,28,28-tetrakis[(3-methoxy-3-oxopropoxy)methyl]-8,14,20,26-tetraoxo-, dimethyl ester
CAS No. 496967-27-2