Term Name:	precursor Z(2-)
Synonyms:	8-amino-10,12-dioxo-4,4a,6,9,10,11,11a,12-octahydro-5aH-[1,3,2]dioxaphosphinino[4',5':5,6]pyrano[3,2-g]pteridin-12a-id-2-olate 2-oxide
Definition:	The dianion resulting from deprotonation of the phosphate group as well as removal of the acidic proton from the carbon adjacent to the 2-oxo group of precursor Z.
Ontology:	ChEBI [CHEBI:58907]  ( EBI )