Octa(OtBu)-Glu(ɑ-OtBu)-AEEA-AEEA)-OR;Ste-Glu-AEEA-AEEA-OSU;18-[[(1S)-1-carboxy-4-[2-[2-[2-[2-[2-[2-(2,5-dioxopyrrolidin-1-yl)oxy-2-oxo-ethoxy]ethoxy]ethylamino]-2-oxo-ethoxy]ethoxy]ethylamino]-4-oxo-butyl]amino]-18-oxo-octadecanoicacid;17-((S)-1-CARBOXY-3-{2-[2-({2-[2-(2,5-DIOXO-PYRROLIDIN-1-YLOXYCARBONYLMETHOXY)ETHOXY]ETHYLCARBAMOYL}METHOXY)ETHOXY]ETHYLCARBAMOYL}PROPYLCARBAMOYL)-HEPTADECANOICACID;C18-Glu(AEEA-AEEA-OSu)-OH;26,29,35,38-Tetraoxa-18,23,32-triazanonatriacontane-1,19,39-tricarboxylicacid,17,22,31-trioxo-,39-(2,5-dioxo-1-pyrrolidinyl)ester,(19S)-