1-beta-Arabinofuranosyl-5-ethyluracil 5'-triphosphate 2,4(1H,3H)-Pyrimidinedione, 5-ethyl-1-(5-O-(hydroxy((hydroxy(phosphonooxy)phosphinyl)oxy)phosphinyl)-beta-D-arabinofuranosyl)- 69150-51-2 Ara-eutp