SMILES: C[NH+]1[C@@H]2CC[C@H]1CC(C2)OP(=O)(C3=CC=CC=C3)OC4=CC=C(C=C4)[N+](=O)[O-]
Description: The molecule is an organic phosphonate that is phenylphosphonic acid diesterified with tropinium and 4-nitrophenol. It derives from a tropinium and a 4-nitrophenol.