5,6,7,8-四氫吡啶并[4,3-D]嘧啶
                         
                                                                
                            
                            5,6,7,8-四氫吡啶并[4,3-D]嘧啶;5,6,7,8-四氫吡啶并[4,3-D]嘧啶鹽酸鹽;5,6,7,8-四氫吡啶并[4,3-D]嘧啶二鹽酸鹽
                         
                                                                
                            
                            5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine
                         
                                                                
                            
                            5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine;5,6,7,8-Tetrahydropyrido[4,3-d]pyrimidine dihydrochloride;5,6,7,8-Tetrahydropyridino[4,3-d]pyrimidine hydrochloride