1,N(sup 6)-Ethenoadenosine triphosphate 37482-17-0 3H-Imidazo(2,1-i)purine, 3-(5-O-(hydroxy((hydroxy(phosphonooxy)phosphinyl)oxy)phosphinyl)-beta-D-ribofuranosyl)- BRN 1236001 Etheno adenosine triphosphate epsilon-Atp