(2R)-3α,7,4'-Trihydroxy-5-methoxy-8-prenylflavanone is derived exclusively from the roots of Sophora flavescens.

4-Pyridoxic Acid, a catabolite of vitamin B6, is a water-soluble B-group vitamin that can be used as a urinary diagnostic biomarker for determining the nutritional status of these vitamins.

Nontoxic laxative vermicide effective for taenia infestation. It tends to produce colic and nausea.