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rotenona n
agric. Rotenon n
environ., agric., chem. Rotenone n
nat.res., chem. 1,2,12,12a-Tetrahydro-2a-isopropenyl-8,9-dimethoxy-1 benzopyrano 3,4-bfuro 2,3-h 1 benzopyran-6 6aaHon