The molecular formula C10H9N (molar mass: 143.19 g/mol, exact mass: 143.0735 u) may refer to:
- Benzazepine
- Lepidine, or 4-methylquinoline
- 1-Naphthylamine
- 2-Naphthylamine
- Quinaldine
This set index page lists chemical structure articles associated with the same molecular formula.
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