(-)-BCH 10652 160707-69-7 2(1H)-Pyrimidinone, 4-amino-1-((2R,4R)-2-(hydroxymethyl)-1,3-oxathiolan-4-yl)- 2(1H)-Pyrimidinone, 4-amino-1-(2-(hydroxymethyl)-1,3-oxathiolan-4-yl)-, (2R-cis)-