Molecule AN02A Atom O5, formal charge = -1 Molecule AR21A Atom N5, formal charge = 1 Atom O1, formal charge = -1 Molecule NC02A Atom N2, formal charge = 1 Molecule NC06A Atom N2, formal charge = 1 Molecule NC08A Atom N1, formal charge = 1 Molecule NC12A Atom N3, formal charge = 1 Molecule NC13A Atom N1, formal charge = 1 Molecule NH20A Atom N1, formal charge = 1 Atom O1, formal charge = -1