Abstract Baluchistine and a new phenolic bisbenzylisoquinoline alkaloid aquifoline were isolated from a mixture of tertiary alkaloids from the underground part of Mahonia aquifolium (PURSH) NUTT. On the basis of thin-layer chromatography these compounds also occur in the stem and seeds of the investigated plant.
![2H-1,24:12,15-Dietheno-6,10-metheno-16H-pyrido[2',3':17,18][1,10]dioxacycloeicosino[2,3,4-ij]isoquinoline,3,4,4a,5,16a,17,18,19-octahydro-9,21,22,26-tetramethoxy-4,17-dimethyl-,(4aR,16aS)- (9CI) Structure](https://image.chemsrc.com/caspic/099/1263-80-5.png)