英文同义词:
Pungiolide B;Pungiolide A;Spiro[furo[2,3:5,6]cyclohepta[1,2-b]pyran-6(2H),6(5H)-[2H]oxireno[4,5]cyclohepta[1,2-b]furan]-2,5-dione, 7-acetyl-1a,3,3,3a,3a,4,4a,6a,7,7a,8a,9,10,10a-tetradecahydro-8a-hydroxy-2,9-dimethyl-3-methylene-1a-[(1E)-3-oxo-1-butenyl]-, (1aR,2R,3aR,3aS,4aR,6R,6aR,7aR,8aR,9S,10aR)-