Nc1ccccc1-c1nc2ccccc2s1 mol14495 0_1 [NH3+]c1ccccc1-c1nc2ccccc2s1 mol14495 1_1 Nc1ccccc1-c1[nH+]c2ccccc2s1 mol14495 1_2 [NH3+]c1ccccc1-c1[nH+]c2ccccc2s1 mol14495 2_1