Cc1nc2c(=O)nc(N)[nH]c2[nH]c1=O mol10144 0_1 Cc1nc2c(=O)nc(N)[n-]c2[nH]c1=O mol10144 -1_1 Cc1nc2c(=O)nc(N)[nH]c2[n-]c1=O mol10144 -1_2 Cc1nc2c(=O)nc(N)[n-]c2[n-]c1=O mol10144 -2_1