(3S,3aR,4′R,6S,7R,7aS)-4′-Hydroxy-3,3′,6-trimethyl-3a,5,6,7a-tetrahydro-4H-spiro[1-benzofuran-7,1′-cyclopent[2]en]-2(3H)-one

(3S,3aR,4′R,6S,7R,7aS)-4′-Hydroxy-3,3′,6-trimethyl-3a,5,6,7a-tetrahydro-4H-spiro[1-benzofuran-7,1′-cyclopent[2]en]-2(3H)-one

Spiro[benzofuran-7(4H),1′-cyclopent[2]en]-2(3H)-one, 3a,5,6,7a-tetrahydro-4′-hydroxy-3,3′,6-trimethyl-, (3S,3aR,4′R,6S,7R,7aS)-

Tramspiroin A