supported by grants from the National Natural Science Foundation of China(No.31872675);Fund of State Key Laboratory of Phytochemistry and Plant Resources in West China(P2020-KF02).
Main observation and conclusion An HPLC-UV-guided separation was performed and four pairs of unprecedented macathiohydantoin dimers,lepithiohydimerins A—D(1—4)bearing a rare disulfide bond were isolated from the tub...