Synonyms: 1aC-HP;140132-37-2;AC1O3QSZ;2(1H)-Pyrimidinone, 4-amino-1-(2,3-anhydro-5-O-(hydroxyphosphinyl)-beta-D-lyxofuranosyl)-;[(1S,2R,4R,5S)-4-(4-amino-2-oxopyrimidin-1-yl)-3,6-dioxabicyclo[3.1.0]hexan-2-yl]methoxy-hydroxy-oxophosphanium;2(1H)-Pyrimidinone, 4-amino-1-[2,3-anhydro-5-O-(hydroxyphosphinyl)-.beta.-D-lyxofuranosyl]-