Cembranolide A

3-Acetoxy-4,5-epoxy-8,12,15(17)-cembratrien-16,14-olide

14-Acetoxy-1a,3,6,7,9a,12,12a,13,14,14a-decahydro-8,14a-dimethyl-12-methyleneoxireno[5,6]cyclotetradeca[1,2-b]furan-11(2H)-one