Synonyms: [(2r,3s,4r,5r)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl[(3s,4r,5r)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl phosphono phosphate;Uridine diphosphate adenosine;AC1L4T43;KST-1A7954;AR-1A8180;Adenosine-5'-(trihydrogen diphosphate), 5'-5'-ester with uridine;[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl [(3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphono phosphate