C21H22N2O2

The molecular formula C₂₁H₂₂N₂O₂ may refer to:

• Strychnine, a toxic, colorless, bitter, crystalline alkaloid used as a pesticide
• Isostrychnine
• Vinorine, an indole alkaloid isolated from Alstonia

This set index page lists chemical structure articles associated with the same molecular formula.
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