3,5-Hexadienoic acid, 6-[(3S)-3-[1-[(1,1-dimethyl-2-propenyl)oxy]-1-methylethyl]-2,3-dihydro-1,4-benzodioxin-6-yl]-4-methoxy-2-(methoxymethylene)-3-methyl-, methyl ester, (2E,3E,5E)- AIDS-112223 AIDS112223