1 6D3 (2s)-2-amino-4-[(3-{4-[(2s)-2-amino-2-carboxyethyl]-1h-1,2,3-triazol-1-yl}propyl){[(2r,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl}amino]butanoic acid (non-preferred name) 1.000 2 6D6 5'-{[(3s)-3-amino-3-carboxypropyl](3-aminopropyl)amino}-5'-deoxyadenosine 0.707 3 AN6 5'-{[(3s)-3-amino-3-carboxypropyl](ethyl)amino}-5'-deoxyadenosine 0.700