Definition: A group of compounds which consist of a nucleotide molecule to which an additional nucleoside is attached through the phosphate molecule(s). The nucleotide can contain any number of phosphates.
cytidylyl adenosine [ cytidilyl-3',5'-adenosine,cytidylyl-3',5'-adenosine ] CPA removed as SY because it is also used as an abbreviation for N6-cyclopentyladenosine, CYCLOPHOSPHAMIDE, and cyclopiazonic acid