O=C(O)Cc1ccccc1Nc1cc(Cl)ccc1Cl mol20840 0_1 O=C([O-])Cc1ccccc1[NH2+]c1cc(Cl)ccc1Cl mol20840 0_2 O=C([O-])Cc1ccccc1Nc1cc(Cl)ccc1Cl mol20840 -1_1