2H-Pyran-2-one, 6-(6-(8-(acetyloxy)-7-ethyl-4-hydroxy-1,5-dimethyl-2,6-dioxabicyclo(3.2.1)oct-3-yl)-1,3,5-hexatrienyl)-4-methoxy-5-methyl-, (1S-(1-alpha,3-alpha(1E,3E,5E),4-beta,5-alpha-7-beta))- 55350-03-3 Aurovertin B Aurovertin-B NSC 329699