COc1ccnc(N(C)C)n1    mol7407    0_1
COc1ccnc(N(C)C)[nH+]1    mol7407    1_1
COc1ccnc([NH+](C)C)n1    mol7407    1_2
COc1cc[nH+]c(N(C)C)n1    mol7407    1_3