"[(2-Oxo-1,2-dihydroquinolin-4-yl)methyl](acetylamino)malonic acid diethyl ester"
"[(2-Oxo-1,2-dihydroquinolin-4-yl)methyl](acetylamino)malonic acid diethyl ester"
"[(2-Oxo-1,2-dihydroquinolin-4-yl)methyl](acetylamino)malonic acid diethyl ester"
"[(2-Oxo-1,2-dihydroquinolin-4-yl)methyl](acetylamino)malonic acid diethyl ester"