COc1ccc2cnc(N)nc2c1    mol7839    0_1
COc1ccc2cnc(N)[nH+]c2c1    mol7839    1_1
COc1ccc2cnc([NH3+])nc2c1    mol7839    1_2
COc1ccc2c[nH+]c(N)nc2c1    mol7839    1_3