Polyketide
                        
                        
                    
                        
                            Organooxygen compounds (Classyfire)
                        
                        
                    
                    
                    
                
                
                
                    
                
                
                    
                        
                            
                                Spongistatin 5
                            
                        
                            
                                9,35,39,46,48,49,50,52-Octaoxaoctacyclo[40.3.1.11,5.17,10.114,18.118,22.128,32.134,38]Dopentaconta-6,23-Diene-12,40-Dione, 36-[(4S,5E)-7-Chloro-4-Hydroxy-2-Methylene-5,7-Octadienyl]-3,20,30,32,33,37,44-Heptahydroxy-16-Methoxy-3,11,29,47,51-Pentamethyl-, (
                            
                        
                            
                                9,35,39,46,48,49,50,52-Octaoxaoctacyclo[40.3.1.11,5.17,10.114,18.118,22.128,32.134,38]Dopentaconta-6,23-Diene-12,40-Dione, 36-(7-Chloro-4-Hydroxy-2-Methylene-5,7-Octadienyl)-3,20,30,32,33,37,44-Heptahydroxy-16-Methoxy-3,11,29,47,51-Pentamethyl-, [1R-[1R*,
                            
                        
                    
                    
                
                
                
                    
                
                
                    
                        
                            Spirastrella spinispirulifera (Porifera) 
                    
                    
                
                
                
                    
                
                
                    
                    
                        
Anticancer