From Bioblast
(2R,6aS,12aS)-1,2,6,6a,12,12a-hexahydro-2-isopropenyl-8,9 dimethoxychromeno[3,4-b]furo(2,3-h)chromen-6-on; Inhibitor of complex I via inhibition of NADH oxidation.It inhibits the transfer of electrons from iron-sulfur centers in CI to ubiquinone via binding to the ubiquinone binding site of CI.
References
Gnaiger E, ed (2007) Mitochondrial Pathways and Respiratory Control. OROBOROS MiPNet Publications, Innsbruck: 96 pp.