2020 年 74 巻 1 号 p. 58-59
A previously undescribed compound 1, along with five known flavonoid derivatives (2-6), a phenylpropane glycoside (7), and two triterpene glycosides (8 and 9), were isolated from the MeOH extract of Trifolium pratense seeds. The structure of 1 was identified based on spectroscopic analysis and alkaline hydrolysis products.