1-(2-Amino-4-oxopteridin-7-yl)-1-oxo-2,3,4-butanetriol-2,4-cyclic phosphate 122856-31-9 4(1H)-Pteridinone, 2-amino-6-((2,5-dihydroxy-1,3,2-dioxophosphorinan-4-yl)carbonyl)-, P-oxide Compound Z-phb