Isokotanin A

4,4′,7,7′-Tetramethoxy-5,5′-dimethyl-2H,2′H-6,6′-bichromen-2,2′-dion

4,4′,7,7′-Tetramethoxy-5,5′-dimethyl-2H,2′H-6,6′-bichromene-2,2′-dione

4,4′,7,7′-Tétraméthoxy-5,5′-diméthyl-2H,2′H-6,6′-bichromène-2,2′-dione

[6,6′-Bi-2H-1-benzopyran]-2,2′-dione, 4,4′,7,7′-tetramethoxy-5,5′-dimethyl-

Isokotanin A