英文别名Methyl (2E,4E)-5-((3R,4S,4aS,9aR)-4a-acetoxy-3,7-dimethyl-1-oxo-3,4,4a,5,6,9-hexahydro-1H-4,9a-ethanocyclohepta[c]pyran-3-yl)-2-methylpenta-2,4-dienoate; Methyl (2E,4E)-5-[(1R,7S,8S,9R)-7-acetoxy-4,9-dimethyl-11-oxo-10-oxatricyclo[6.3.2.01,7]tridec-3-en-9-yl]-2-methyl-2,4-pentadienoate; Methyl (2E,4E)-5-[(1R,7S,8S,9R)-7-acetoxy-4,9-dimethyl-11-oxo-10-oxatricyclo[6.3.2.0]tridec-3-en-9-yl]-2-methyl-2,4-pentadienoate; 2,4-Pentadienoic acid, 5-[(3R,4S,4aS,9aR)-4a-(acetyloxy)-3,4,4a,5,6,9-hexahydro-3,7-dimethyl-1-oxo-1H-4,9a-ethanocyclohepta[c]pyran-3-yl]-2-methyl-, methyl ester, (2E,4E)- 
