SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]#N)OC)[N+]#N
Description: The molecule is the aromatic diazonium ion formed from diazotisation of 3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diamine. It has a role as a histological dye.