tert-butyl (4-(tert-butoxycarbonylamino)butyl)(3-cyanopropyl)carbamate

tert-butyl (4-((tert-butoxycarbonyl)amino)butyl)(4-(8-hydroxyquinoline-2-carboxamido)butyl)carbamate

[4-(3,4-bis-octadec-9-enyloxy-benzoylamino)-butyl]-{4-[tert-butoxycarbonyl-(4-tert-butoxycarbonylamino-butyl)-amino]-butyl}-carbamic acid tert-butyl ester