4-((6-amino-2-(butylamino)-8-hydroxy-9H-purin-9-yl)methyl)-N-(2-(3-(4-(3-amino propyl amino)butylamino)propylamino)-2-oxoethyl)benzamide
N1-benzylcarbamate-N5,N10-diBoc-N14-[4-((6-amino-2-(butylamino)-8-hydroxy-9H-purin-9-yl)methyl)-N-(2-amino-2-oxoethyl)benzamido]spermine
N1,N5,N10-triBoc-N14-[4-((6-amino-2-(butylamino)-8-hydroxy-9H-purin-9-yl)methyl)-N-(2-amino-2-oxoethyl)benzamido]spermine
(2-(4-((6-amino-2-(butylamino)-8-hydroxy-9H-purin-9-yl)methyl)benzamido)acetic acid)
6-amino-2-butylamino-9H-purine