O=C(Nc1cccc2cccnc12)c1cncc(Br)c1 SM06 0_1 O=C(Nc1cccc2ccc[nH+]c12)c1cncc(Br)c1 SM06 1_1 O=C(Nc1cccc2cccnc12)c1c[nH+]cc(Br)c1 SM06 1_2