(3aS,6E,9S,10Z,11aS)-9-((benzyloxy)methoxy)-6,10-dimethyl-3,3a,5,8,9,11a-hexahydrocyclodeca[b]furan-2,4-dione

(3aR,6E,9S,10Z,11aS)-9-((benzyloxy)methoxy)-6,10-dimethyl-3,3a,5,8,9,11a-hexahydrocyclodeca[b]furan-2,4-dione

(1R,4S,6S)-4-((benzyloxy)methoxy)-1-(3,3-dimethoxycyclobut-1-en-1-yl)-3-methyl-6-(prop-1-en-2-yl)cyclohex-2-en-1-ol

Desacetyleupaformonin

3β-acetoxy-8β-hydroxycostunolide