| —— | 7-acetyl-1-ethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid | 134812-11-6 | C14H13NO4 | 259.262 | 
                                                                                                                                            
                                        | —— | 7-(bromoacetyl)-1-ethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid | 134812-15-0 | C14H12BrNO4 | 338.158 | 
                                                                                                                                            
                                        | —— | 1-ethyl-1,4-dihydro-7-(2-methyl-1,3-dioxolan-2-yl)-4-oxoquinoline-3-carboxylic acid | 134812-09-2 | C16H17NO5 | 303.315 | 
                                                                                                                                            
                                        | —— | 7-acetyl-1-ethyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, ethyl ester | 115172-90-2 | C16H17NO4 | 287.315 | 
                                                                                                                                            
                                        | —— | ethyl 1-ethyl-1,4-dihydro-7-(2-methyl-1,3-dioxolan-2-yl)-4-oxoquinoline-3-carboxylate | 134812-07-0 | C18H21NO5 | 331.368 | 
                                                                                                                                            
                                        | —— | ethyl 4-hydroxy-7-(2-methyl-1,3-dioxolan-2-yl)quinoline-3-carboxylate | 134812-06-9 | C16H17NO5 | 303.315 |