IUPAC:methyl (1R,7S,8S,9R)-7-(acetyloxy)-9-[(1E,3E)-5-methoxy-4-methyl-5-oxopenta-1,3-dien-1-yl]-9-methyl-11-oxo-10-oxatricyclo[6.3.2.0^{1,7}]tridec-3-ene-4-carboxylate
IUPAC:methyl (1R,7S,8S,9R)-7-(acetyloxy)-9-[(1E,3E)-5-methoxy-4-methyl-5-oxopenta-1,3-dien-1-yl]-9-methyl-11-oxo-10-oxatricyclo[6.3.2.0^{1,7}]tridec-3-ene-4-carboxylate