AIDS-044353 AIDS044353 Ethanaminium, 2-[[[[[[5-(3,4-dihydro-4-imino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methoxy]hydroxyphosphinyl]oxy]hydroxyphosphinyl]oxy]-N,N,N-trimethyl-, inner salt, monolithium salt NSC619377