Term Name:	P(1),P(4)-bis(5'-xanthosyl) tetraphosphate
Synonyms:	P1,P4-Bis(5'-xanthosyl) tetraphosphate, xanthosine(5')tetraphospho(5')xanthosine, XppppX
Definition:	A purine ribonucleoside 5'-tetraphosphate compound having 5'-xanthosyl residues at the P1- and P4-positions.
Ontology:	ChEBI [CHEBI:28400]  ( EBI )