C[NH+](C)CCNC(=O)c1cccc2cccnc12 mol17993 1_1 CN(C)CCNC(=O)c1cccc2ccc[nH+]c12 mol17993 1_2 C[NH+](C)CCNC(=O)c1cccc2ccc[nH+]c12 mol17993 2_1