2(1H)-Pyrimidinone, 4-amino-5-chloro-3,4-dihydro-1-[(6R,7R)-tetrahydro-2,7-dihydroxy-2-oxido-4H-furo[3,2-d]-1,3,2-dioxaphosphorin-6-yl]-, ion(1-) 94427-52-8 9442753-9 (FREE ACID) AIDS-212157 AIDS212157