Cc1nc2c(=O)[nH]cnc2[nH]c1=O    mol10111    0_1
Cc1nc2c(=O)[n-]cnc2[nH]c1=O    mol10111    -1_1
Cc1nc2c(=O)[nH]cnc2[n-]c1=O    mol10111    -1_2
Cc1nc2c(=O)[n-]cnc2[n-]c1=O    mol10111    -2_1