<div><p>A new α-pyrone xylaripyrone A (<b>1</b>) and a new phthalide xylariphthalide A (<b>2</b>) were isolated from the Xylariaceae fungus (no. 63-19-7-3), along with four related known phthalides (<b>3</b>–<b>6</b>): 4-[(acetyloxy)methyl]-7-methoxy-6-methyl-1(3<i>H</i>)-isobenzofuranone (<b>3</b>), convolvulol (<b>4</b>), 7-methoxy-4,6-dimethyl-3<i>H</i>-isobenzofuran-1-one (<b>5</b>), and convolvulanic acid B (<b>6</b>). Their structures were determined on the basis of IR, MS, and NMR spectroscopic analyses.</p></div
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