| —— | 1-benzyl-3-(3-t-butoxypropyl)-3-methoxy-2,5-piperazinedione | 78999-53-8 | C19H28N2O4 | 348.442 | 
                                                                                                                                            
                                        | —— | 1-Benzyl-3-(3-tert-butoxy-propyl)-3-methoxy-4-methyl-piperazine-2,5-dione | 91735-71-6 | C20H30N2O4 | 362.469 | 
                                                                                                                                            
                                        | —— | 1-Benzyl-3-(3-tert-butoxy-propyl)-6-hydroxy-3-methoxy-4-methyl-piperazine-2,5-dione | 91735-73-8 | C20H30N2O5 | 378.469 | 
                                                                                                                                            
                                        | —— | 4-Benzyl-6-(3-tert-butoxy-propyl)-6-methoxy-1-methyl-piperazine-2,3,5-trione | 91735-72-7 | C20H28N2O5 | 376.453 | 
                                                                                                                                            
                                        | —— | 9-benzyl-6-methoxy-7-methyl-2-oxa-7,9-diazabicyclo<4.2.2>decane-8,10-dione | 91756-99-9 | C16H20N2O4 | 304.346 | 
                                                                                                                                            
                                        | —— | Acetic acid 1-benzyl-5-(3-tert-butoxy-propyl)-5-methoxy-4-methyl-3,6-dioxo-piperazin-2-yl ester | 91735-74-9 | C22H32N2O6 | 420.506 | 
                                                                                                                                            
                                        | —— | 1-benzyl-3-(3-t-butoxypropyl)-3-hydroxy-2,5-piperazinedione | 91735-70-5 | C18H26N2O4 | 334.415 | 
                                                                                                                                            
                                        | —— | 4'-benzyl-5'-hydroxy-1'-methylspiro-3',6'-dione | 91735-75-0 | C15H18N2O4 | 290.319 |