Compound 3

Benzyl(t-(bis(1-(4-(4-((3-((4-((3-aminopropyl)amino)butyl)amino)propyl)amino)-4-oxobutoxy)-5-methoxy-2-nitrophenyl)ethyl)-3,3'-((2-((3-(1-(4-(4-((3-((4-((3-aminopropyl)amino)butyl)amino)propyl)amino)-4-oxobutoxy)-5-methoxy-2-nitrophenyl)ethyloxy)-3-oxopropoxy)methyl)-2-(3-ethoxypropanamido)propane-1,3-diyl)bis(oxy))dipropanoate))carbamate

From: Self-assembly and optically triggered disassembly of hierarchical dendron–virus complexes