CC(C)c1ccccc1Nc1c2ccccc2nc2ccccc12 mol20194 0_1 CC(C)c1ccccc1[NH2+]c1c2ccccc2nc2ccccc12 mol20194 1_1 CC(C)c1ccccc1Nc1c2ccccc2[nH+]c2ccccc12 mol20194 1_2