SMILES: C1=CC=C2C(=C1)C(=CC(=C2O)[N+](=O)[O-])[N+](=O)[O-]
Description: The molecule is a naphthol in which the hydroxy substituent is at C-1 with nitro groups at C-2 and -4. It has a role as a histological dye. It is a C-nitro compound and a member of naphthols.