has role piscicide phytogenic insecticide toxin rotenone tubatoxin Rotenone CHEBI:28201 noxfire CHEBI:26583 dactinol canex A member of the class of rotenones that consists of 1,2,12,12a-tetrahydrochromeno[3,4-<em>b</em>]furo[2,3-<em>h</em>]chromen-6(6a<em>H</em>)-one substituted at position 2 by a prop-1-en-2-yl group and at positions 8 and 9 by methoxy groups (the 2<i>R</i>,6a<i>S</i>,12a<i>S</i>-isomer). A non-systemic insecticide, it is the principal insecticidal constituent of derris (the dried rhizome and root of <em>Derris elliptica</em>). [2R-(2alpha,6aalpha,12aalpha)]-1,2,12,12a-tetrahydro-8,9-dimethoxy-2-(1-methylethenyl)[1]benzopyrano[3,4-b]furo[2,3-H][1]benzopyran-6(6aH)-one paraderil 5'beta-rotenone (-)-cis-rotenone CHEBI:8897 barbasco (-)-rotenone (12aS,6aS,2R)-8,9-dimethoxy-2-(1-methylvinyl)-1,2-dihydrochromano[3,4-b]furano [2,3-h]chroman-6-one Derris chebi_ontology antineoplastic agent organic heteropentacyclic compound mitochondrial NADH:ubiquinone reductase inhibitor rotenones