Trigoxazonane, a monosubstituted trioxazonane from Trigonella foenum-graecum root exudate, inhibits Orobanche crenata seed germination

We report the chemical structure and biological characterization of trigoxazonane, a new monosubstituted trioxazonane, isolated from root exudates of Trigonella foenum-graecum, showing inhibitory activity of the Orobanche crenata seed germination.