英文别名Montelukast Impurity 19; 1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone; 1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hydroxy-2-propanyl)phenyl]-1-propanone; Montelukast Impurity 10; 1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanon; Montelukast Impurity 1; Montelukast Sodium Impurity A; USP Montelukast Ketone Impurity; 1-[3-[(E)-2-(7-chloro-2-quinolyl)vinyl]phenyl]-3-[2-(1-hydroxy-1-methyl-ethyl)phenyl]propan-1-one; Montelukast Ketone Impurity; Montelukast Related Impurity 1 
