(2-{2-[2-(2-{2-[2-(16-Acetylsulfanyl-hexadecanoylamino)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-ethoxy)-acetic acid tert-butyl ester

N-[18-(N-hexadecylcarbamoyl)methyl-3,6,9,12,15,18-hexaoxaoctadecyl] 16-(acetylthio)hexadecanamide

Thioacetic acid S-(15-{2-[2-(2-{2-[2-(2-hexadecylcarbamoylmethoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethylcarbamoyl}-pentadecyl) ester

2,5-dioxopyrrolidin-1-yl 1,1,1-trifluoro-2-oxo-6,9,12,15,18,21-hexaoxa-3-azatricosan-23-oate

1,1,1-trifluoro-2-oxo-6,9,12,15,18,21-hexaoxa-3-azatricosan-23-oic acid