Pyrrolizidine alkaloid
                        
                        
                    
                        
                            Azaspirodecane derivatives (Classyfire)
                        
                        
                    
                    
                    
                
                
                
                    
                
                
                    
                        
                            
                                Otosenine
                            
                        
                            
                                Spiro[2,9-Dioxa-14-Azabicyclo[9.5.1]Heptadec-11-Ene-4,2'-Oxirane]-3,8,17-Trione, 7-Hydroxy-3',6,7,14-Tetramethyl-, (1R,2'S,3'S,6R,7R)-
                            
                        
                            
                                4,8-Secosenecionan-8,11,16-Trione, 15,20-Epoxy-15,20-Dihydro-12-Hydroxy-4-Methyl-, (15[Alpha],20S)-
                            
                        
                            
                                Othosenine
                            
                        
                            
                                (1R,2'S,3'S,6R,7R)-7-Hydroxy-3',6,7,14-Tetramethylspiro[2,9-Dioxa-14-Azabicyclo[9.5.1]Heptadec-11-Ene-4,2'-Oxirane]-3,8,17-Trione
                            
                        
                            
                                Otosenin
                            
                        
                            
                                Otosenine (Neutral)
                            
                        
                            
                                Spiro[2,9-Dioxa-14-Azabicyclo[9.5.1]Heptadec-11-Ene-4,2'-Oxirane]-3,8,17-Trione, 7-Hydroxy-3',6,7,14-Tetramethyl-, [1R-[1R*,4S*(S*),6R*,7R*]]-
                            
                        
                            
                                Tomentosine
                            
                        
                    
                    
                
                
                
                    
                
                
                    
                        
                            Senecio pterophorus 
                    
                    
                
                
                
                    
                
                
                      None Recorded