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Zopiclone impurity (5-(Chloropyridine-2-yl-carbamoyl)pyrazine)
- CAS No:
- Molecular formula: C10H7ClN4O
- Molecular weight: 234.65
Eszopiclone ((S)-Zopiclone)
- CAS No: 138729-47-2
- Molecular formula: C17H17ClN6O3
- Molecular weight: 388.81
Zopiclone EP Impurity A (Zopiclone N-Oxide)
- CAS No: 43200-96-0
- Molecular formula: C17H17ClN6O4
- Molecular weight: 404.82
Eszopiclone Impurity B
- CAS No: 43200-81-3
- Molecular formula: C11H7ClN4O2
- Molecular weight: 262.66