英文别名4-METHYL-3,4-DIHYDROQUINOLIN-2(1H)-ONE; 4-Methyl-3,4-dihydro-2(1h)-quinolinone; 2(1H)-Quinolinone, 3,4-dihydro-4-methyl-; Levosimendan Impurity 28; 4-Methyl-3,4-dihydro-1H-quinolin-2-one; 4-methyl-3,4-dihydroquinolone; 4-Methyl-3,4-dihydro-1H-chinolin-2-on 
