142780-49-2 2H-Cyclopenta(ij)(2)benzopyran-2-one, 4-(acetyloxy)-7-(1,5-dimethyl-4-hexenyl)decahydro-6a-methyl-, (3aR-(3aalpha,4beta,6abeta,7beta(R*),8abeta,8bbeta))- 4-Acetylaplykurodin B