| —— | 
                                        3,3-dimethyl-2-(3,4,5-trimethoxyphenyl)-4-piperidone | 
                                        81835-73-6 | 
                                        C16H23NO4 | 
                                        293.363 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5-carbethoxy-1,3,3-trimethyl-2-(3,4,5-trimethoxyphenyl)-4-piperidone | 
                                        74611-11-3 | 
                                        C20H29NO6 | 
                                        379.453 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 3-(β-carbethoxyethylmethylamino)-3-(3,4,5-trimethoxyphenyl)-2,2-dimethylpropionate | 
                                        74611-10-2 | 
                                        C22H35NO7 | 
                                        425.522 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1,3,3-trimethyl-2-(3,4,5-trimethoxyphenyl)-4-piperidone ethylene acetal | 
                                        81835-76-9 | 
                                        C19H29NO5 | 
                                        351.443 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3,3-dimethyl-2-(3,4,5-trimethoxyphenyl)-4-piperidone ethylene acetal | 
                                        81835-70-3 | 
                                        C18H27NO5 | 
                                        337.416 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1,3,3-trimethyl-4-(3,4,5-trimethoxyphenyl)-2-azetidone | 
                                        73608-66-9 | 
                                        C15H21NO4 | 
                                        279.336 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ethyl 3-methylamino-3-(3,4,5-trimethoxyphenyl)-2,2-dimethylpropionate | 
                                        73608-67-0 | 
                                        C17H27NO5 | 
                                        325.405 |