33904-28-8 Malonamic acid, 2-diazo-N-(9-beta-D-ribofuranosyl-9H-purin-6-yl)-, ethyl ester, cyclic hydrogen phosphate N(6)-(Ethyl-2-diazomalonyl)adenosine 3'-5'-cyclic monophosphate N6-(Ethyl-2-diazomalonyl) cyclic 3',5'-adenylic acid Propanoic acid, 2-diazo-3-oxo-3-((9-(3,5-O-phosphinico-beta-D-ribofuranosyl)-9H-purin-6-yl)amino)-, ethyl ester