Chemical Name: N-(((9-((2-Hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)(nitroso)amino)methyl)-N-(6-oxo-6,9-dihydro-1H-purin-2-yl)nitrous amide
Chemical Name: 9-((2-Hydroxyethoxy)methyl)-2-((((9-((2-hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-3H-purin-2-yl)amino)methyl)amino)-3-nitroso-3,9-dihydro-6H-purin-6-one
Chemical Name: N-(9-((2-Hydroxyethoxy)methyl)-3-nitroso-6-oxo-6,9-dihydro-3H-purin-2-yl)-N-(((9-((2-hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-3H-purin-2-yl)amino)methyl)nitrous amide
Chemical Name: 2-((2-((((9-((2-Hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)methyl)(nitroso)amino)-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethyl L-valinate
Chemical Name: 2-((2-((((9-((2-Hydroxyethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)(nitroso)amino)methyl)amino)-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethyl L-valinate
Chemical Name: 2-((2-((((9-((2-((D-Valyl)oxy)ethoxy)methyl)-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)methyl)(nitroso)amino)-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethyl L-valinate
Chemical Name: 2-((2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethyl N-nitroso-N-((nitroso(9-nitroso-6-oxo-6,9-dihydro-1H-purin-2-yl)amino)methyl)-L-valinate