NSC 53866

NSC 351138

Dihydrorotenone

1',2'-dihydrorotenone

(2R)-1,2,12,12aα-Tetrahydro-2α-isopropyl-8,9-dimethoxy[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(6aαH)-one

(2R,6aS,12aS)-1,2,12,12a-Tetrahydro-8,9-dimethoxy-2-(1-methylethyl)-[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(6aH)-one