Lignan and flavonoid glycosides from Urtica laetevirens Maxim.

A new compound named pinoresinol 4-O-alpha-L-rhamnopyranosyl (1-->2)-beta-D-glucopyranoside (1) together with six known compounds, isolariciresinol 9-O-beta-D-glucopyranoside (2), apigenin 6,8-di-C-beta-D-glucopyranoside (3), luteolin 7-O-neohesperidoside (4), luteolin 7-O-beta-D-glucopyranoside (5), 5-methoxyluteolin 7-O-beta-D-glucopyranoside (6), and rutin (7), were isolated from the aerial parts of Urtica laetevirens Maxim. All of the above compounds were isolated from this plant for the first time.