tBuO-Ste-Glu(AEEA-AEEA-OH)OtBu

tBuO-Ste-Glu(OtBu)-AEEA-AEEA-OSU

Ste-Glu-AEEA-AEEA-OS

Fmoc-L-Lys[Oct-(otBu)-Glu-(otBu)-AEEA-AEEA]-OH

Tert-Butyl hydrogen hexadecanedioate

Octadecanedioic acid mono-tert-butyl ester