3β-{2-[2-(2-{4-[4-(2-azidoacetamido)benzoyl]benzamido}ethoxy)ethoxy]acetoxy}olean-12-en-28-oic acid

prop-2-ynyl 5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoate

[2-(2-dibenzylaminoethoxy)ethoxy]acetic acid

BnBr

3β-{2-[2-(2-dibenzylamino)ethoxy]ethoxy}acetoxyolean-12-en-28-oic acid