SMILES: COC1=CC(=CC(=C1O)[N+](=O)[O-])C=O
Description: The molecule is a member of the class of benzaldehydes that is vanillin in which the hydrogen ortho- to the hydroxy group is substituted by a nitro group. It is a member of benzaldehydes and a member of 2-nitrophenols. It derives from a vanillin.