| Chelidamine | 
                            
                            
                                | (±)-Stylopine | 
                            
                            
                                | TETRAHYDROCOPTISINE | 
                            
                            
                                | DL-Stylopine | 
                            
                            
                                | 6,7,12b,13-Tetrahydro-4H-[1,3]dioxolo[4,5-g][1,3]dioxolo[7,8]isoquinolino[3,2-a]isoquinoline | 
                            
                            
                                | 6,7,12b,13-Tetrahydro-4H-bis[1,3]benzodioxolo[5,6-a:4',5'-g]quinolizine | 
                            
                            
                                | DL-Tetrahydrocoptisine | 
                            
                            
                                | 2,3:9,10-Bis(methylenedioxy)-13a-berbine | 
                            
                            
                                | 4H-[1,3]Benzodioxolo[5,6-a]-1,3-benzodioxolo[4,5-g]quinolizine, 6,7,12b,13-tetrahydro- | 
                            
                            
                                | 6,7,12b,13-Tetrahydro-4H-[1,3]dioxolo[4,5-g][1,3]dioxolo[7,8]isoquino[3,2-a]isoquinoline | 
                            
                            
                                | Stylopine | 
                            
                            
                                | Stylopine, (±)- | 
                            
                            
                                | (+/-)stylopine | 
                            
                            
                                | Stylopine (VAN) | 
                            
                            
                                | (RS)-Stylopine | 
                            
                            
                                | Trahydocoptisine | 
                            
                            
                                | (+/-)-7,8,13,13a-tetrahydrocoptisine |