The molecule is a ribonucleoside triphosphate oxoanion arising from deprotonation of three of the four triphosphate OH groups of cytidine 5'-triphosphate; major species at pH 7.3. It is a conjugate base of a CTP.
[[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl] hydrogen phosphate