The molecule is a molybdopterin dinucleotide, a thiol and a member of molybdopterins. It is a conjugate acid of a molybdopterin cytosine dinucleotide(3-).
[[(5aR,8R,9aR)-2-amino-4-oxo-6,7-bis(sulfanyl)-3,5,5a,8,9a,10-hexahydropyrano[3,2-g]pteridin-8-yl]methoxy-hydroxyphosphoryl] [(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl hydrogen phosphate