SESQUICILLIN

Sesquicillin A

(9R)-3β-Acetoxy-13,15-dihydroxy-14,15-dimethyl-18-(3-methyl-2-butene-1-yl)-16-norlabda-8(17),12,14-triene-12-carboxylic acid δ-lactone

Acetic acid (1S,8aα)-1,4aβ-dimethyl-6-methylene-1α-(4-methyl-3-pentenyl)-5α-(2-oxo-4-hydroxy-5,6-dimethyl-2H-pyran-3-ylmethyl)decalin-2β-yl ester

4-Hydroxy-3-[[(1R,4aR)-2-methylene-5α-(4-methyl-3-pentenyl)-6β-acetoxy-5,8aβ-dimethyldecahydronaphthalene]-1α-ylmethyl]-5,6-dimethyl-2H-pyran-2-one