Cochliospicin A

(2S,3′R,4R,4′R,7′R)-7′-Ethyl-4-hydroxy-3′,4′,7′-trimethyl-3′,4′-dihydro-3H-spiro[furan-2,6′-isochromene]-5,5′,8′(1′H,4H,7′H)-trion

(2S,3′R,4R,4′R,7′R)-7′-Ethyl-4-hydroxy-3′,4′,7′-trimethyl-3′,4′-dihydro-3H-spiro[furan-2,6′-isochromene]-5,5′,8′(1′H,4H,7′H)-trione

(2S,3′R,4R,4′R,7′R)-7′-Éthyl-4-hydroxy-3′,4′,7′-triméthyl-3′,4′-dihydro-3H-spiro[furan-2,6′-isochromene]-5,5′,8′(1′H,4H,7′H)-trione

Cochliospicin A

Spiro[6H-2-benzopyran-6,2′(5′H)-furan]-5,5′,8(1H,7H)-trione, 7-ethyl-3,3′,4,4′-tetrahydro-4′-hydroxy-3,4,7-trimethyl-, (3R,4R,4′R,6S,7R)-