O=C(NNc1ccc(Br)cc1)c1ccncc1 mol15223 0_1 O=C(NNc1ccc(Br)cc1)c1cc[nH+]cc1 mol15223 1_1 O=C(N[NH2+]c1ccc(Br)cc1)c1ccncc1 mol15223 1_2