128864-45-9 2(1H)-Pyrimidinone, 4-amino-1-(5-O-(((15-carboxypentadecyl)oxy)hydroxyphosphinyl)-beta-D-arabinofuranosyl)- 4-Amino-1-(5-O-(((15-carboxypentadecyl)oxy)hydroxyphosphinyl)-beta-D-arabinofuranosyl)-2(1H)-pyrimidinone Pca 16 Pca-16