Baileyin

(1aR,3S,4Z,6aS,9aR,10aR)-2,3,6,6a,9,9a,10,10a-Octahydro-3-hydroxy-1a,5-dimethyl-9-methyleneoxireno[4,5]cyclodeca[1,2-b]furan-8(1aH)-one

(1aR,3S,4Z,6aS,9aR,10aR)-1a,2,3,6,6a,8,9,9a,10,10a-Decahydro-3-hydroxy-1a,5-dimethyl-9-methyleneoxireno[4,5]cyclodeca[1,2-b]furan-8-one