Source:http://linkedlifedata.com/resource/umls/id/C1959616
MSH: Derivatives of phosphatidic acids in which the phosphoric acid is bound in ester linkage to a choline moiety. Complete hydrolysis yields 1 mole of glycerol, phosphoric acid and choline and 2 moles of fatty acids.,CSP: derivatives of phosphatidic acids in which the phosphoric acid is bound in ester linkage to a choline moiety.