6,9,12-TRIOXA-3-AZAPENTADECANOIC ACID, 7,10-DIMETHYL-5-OXO-3-[4-[(5-OXO-3-PROPYL-4(5H)-ISOXAZOLYLIDENE)METHYL]PHENYL]-, 1-METHYL-2-(1-METHYL-2-PROPOXYETHOXY)ETHYL ESTER