Toxol is a toxic organic compound classified as a benzofuran derivative with the molecular formula C<sub>13</sub>H<sub>14</sub>O<sub>3</sub>. It is naturally found in plants such as Aplopappus heterophyllus and Werneria ciliolata. Its IUPAC name is 1-[(2S,3R)-3-hydroxy-2-prop-1-en-2-yl-2,3-dihydro-1-benzofuran-5-yl]ethanone. This compound is toxic and related chemically to tremetone