3-Aeadt 3-Aminopyridine 1,N(6)-ethenoadenine dinucleotide 82773-63-5 Pyridinium, 3- amino-1-(5-O-(hydroxy(phosphonooxy)phosphinyl)-beta-D-ribofuranosyl)-, hydroxide, inner salt, 5'-5'-ester with 3-beta-D-ribofuranosyl-3H-imidazo(2,1-i)purine