InChI:

InChI=1/2C6H5NO3.2H2O.Zn/c2*8-6(9)5-3-1-2-4-7(5)10;;;/h2*1-4H,(H,8,9);2*1H2;/p-2

SMILES:

[H]C1=C([H])C([H])=[N+]2[O-][Zn]3([O-]C(=O)C2(=C1([H])))([O-]C(=O)C4=C([H])C([H])=C([H])C([H])=[N+]4([O-]3))(O([H])[H])O([H])[H]