(+)-Laudanidine ((S)-Tritopin) is a benzyltetrahydroisoquinoline alkaloid found in Stephania species [1].
References:
[1]. Blanchfield JT, et al. Characterisation of alkaloids from some Australian Stephania (Menispermaceae) species. Phytochemistry. 2003 Jul;63(6):711-20.
References:
[1]. Blanchfield JT, et al. Characterisation of alkaloids from some Australian Stephania (Menispermaceae) species. Phytochemistry. 2003 Jul;63(6):711-20.