Chemical constituents from Maackia amurensis and their anti-inflammatory and antioxidant activities.

A new flavonoid named (2S)-7,4′-dimethoxyl-6-(2″,3″-epoxy-3″-methylbutyl)flavanone (1), along with five known compounds (2–6), were isolated from the EtOAc-soluble extract of the stem bark of Maack...