| 孟鲁司特钠杂质A | ent-Montelukast Sodium Salt |
| 孟鲁司特钠杂质B | Montelukast Styrene |
| 孟鲁司特钠杂质C | Montelukast Sulfoxide |
| 孟鲁司特钠杂质D | Montelukast Michael Adduct R,R-Isomer |
| 孟鲁司特钠杂质E | Montelukast Michael Adduct R,S-Isomer |
| 孟鲁司特钠杂质F | Montelukast Methyl Ketone |
| 孟鲁司特钠杂质G | cis-Montelukast |
