Compound 2

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)ethoxy)-3-oxopropoxy)methyl)-2-(((benzyloxy)carbonyl)amino)propane-1,3-diyl)bis(oxy))dipropanoate

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