2-[2-(2-carboxyethoxy)ethoxy]ethyl N-acetyltyrosylseryltyrosylphenylalanylprolylserylvalinate InChI=1/C52H69N7O17/c1-31(2)45(52(73)76-25-24-75-23-22-74-21-19-44(65)66)58-49(70)42(30-61)57-50(71)43-10-7-20-59(43)51(72)40(28-33-8-5-4-6-9-33)55-47(68)39(27-35-13-17-37(64)18-14-35)54-48(69)41(29-60)56-46(67)38(53-32(3)62)26-34-11-15-36(63)16-12-34/h valine, N-acetyltyrosylseryltyrosylphenylalanylprolylseryl-, 2-[2-(2-carboxyethoxy)ethoxy]ethyl ester