4-bromo-2-methoxy-5-(5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-ylmethyl)-phenol

5-(5-benzyloxy-2-bromo-4-methoxy-benzyl)-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinoline

N-(2-benzo[1,3]dioxol-5-yl-ethyl)-2-(5-benzyloxy-2-bromo-4-methoxy-phenyl)-acetamide

12-bromo-10-methoxy-5,8,13,13a-tetrahydro-6H-[1,3]dioxolo[4,5-g]isoquino[3,2-a]isoquinolin-9-ol

Nandinine ,(+/-)-