3'-O-(4(N-(4-Azido-2-nitrophenyl)amino)butyryl)adenosine 5'-diphosphate 64655-48-7 Adenosine 5'-(trihydrogen diphosphate) 3'-(4-((4-azido-2-nitrophenyl)amino)butanoate) Anp-ADP Nap(4)-ADP