Source:http://linkedlifedata.com/resource/umls/id/C0022947
MSH: Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure. Large cyclic lactones of over a dozen atoms are MACROLIDES.,CSP: cyclic organic compound in which the chain is closed by ester formation between a carboxyl and a hydroxyl group in the same molecule.,NCI: Cyclic esters of hydroxy carboxylic acids, containing a 1-oxacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring (IUPAC).