1-Acetyl-8-hydroxy-naphtho[2,3-c]furan-4,9-dione 1-Acetyl-8-hydroxynaphtho[2,3-c]furan-4,9-dione Arthoniafurone A InChI=1/C14H8O5/c1-6(15)14-11-8(5-19-14)12(17)7-3-2-4-9(16)10(7)13(11)18/h2-5,16H,1H naphtho[2,3-c]furan-4,9-dione, 1-acetyl-8-hydroxy-