Two new β-carboline-type alkaloids from Stellaria dichotoma var. lanceolata

Two new β-carboline-type alkaloids, dichotomine K (1) and dichotomine L (2), were isolated from the roots of Chinese medicinal plant Stellaria dichotoma L. var. lanceolata Bge. Structures of 1 and 2 were determined on the basis of chemical and spectroscopic means.