2H-Pyran-2-one, 6-(6-(8-(acetyloxy)-4-hydroxy-7-(1-hydroxyethyl)-1,5-dimethyl-2,6-dioxabicyclo(3.2.1)oct-3-yl)-1,3,5-hexatrienyl)-4-methoxy-5-methyl- 65256-31-7 Aurovertin D