Source:http://linkedlifedata.com/resource/umls/id/C0021533
MSH: Inosine 5'-Monophosphate. A purine nucleotide which has hypoxanthine as the base and one phosphate group esterified to the sugar moiety.,CSP: purine nucleotide which has hypoxanthine as the base and one phosphate group esterified to the sugar moiety.