Abstract
Beside the known alkaloids magnoflorine (12), nortiliacorine A (4), and tiliacorinin-2′-N-oxide (8), two new bisbenzylisoquinoline alkaloids, noryanangine (1) and norisoyanangine (2) were isolated from the aerial parts of Tiliacora triandra Diels (Menispermaceae) and their structures elucidated by spectroscopic methods.