Cc1nc2c([nH]c1=O)c(=O)[nH]c(=O)n2C    mol10609    0_1
Cc1nc2c([nH]c1=O)c(=O)[n-]c(=O)n2C    mol10609    -1_1
Cc1nc2c([n-]c1=O)c(=O)[nH]c(=O)n2C    mol10609    -1_2
Cc1nc2c([n-]c1=O)c(=O)[n-]c(=O)n2C    mol10609    -2_1