Formic acid (1S,2S)-2-(3-ethoxycarbonyloxy-3-methyl-pent-4-enyl)-1,3,3-trimethyl-cyclohexyl ester

3,4-di-benzyloxy-6-(7'-drimen-11'-ylidene)-2,4-cyclohexadienone

19,20-di-O-methylenepuupehenol

(+)-dictyvaric acid

(4aS,6aR,11aR,11bS)-7-ethyl-9,10-dimethoxy-4,4,6a,11b-tetramethyl-2,3,4,4a,5,6,6a,11,11a,11bdecahydro-1H-benzo[a]fluorene