COC(=O)c1ccccc1Nc1c2ccccc2nc2ccccc12 mol20202 0_1 COC(=O)c1ccccc1Nc1c2ccccc2[nH+]c2ccccc12 mol20202 1_1 COC(=O)c1ccccc1[NH2+]c1c2ccccc2nc2ccccc12 mol20202 1_2