COc1cnc2c(N(C)C)ncnc2n1    mol8180    0_1
COc1c[nH+]c2c(N(C)C)ncnc2n1    mol8180    1_1
COc1cnc2c(N(C)C)[nH+]cnc2n1    mol8180    1_2
COc1cnc2c([NH+](C)C)ncnc2n1    mol8180    1_3
COc1cnc2c(N(C)C)nc[nH+]c2n1    mol8180    1_4
COc1cnc2c(N(C)C)ncnc2[nH+]1    mol8180    1_5