Nc1nc(=O)c2cc[nH]c2[nH]1    mol33952    0_1
Nc1nc(=[OH+])c2cc[nH]c2[nH]1    mol33952    1_1
[NH3+]c1nc(=O)c2cc[nH]c2[nH]1    mol33952    1_2
Nc1[nH]c2[nH]ccc2c(=O)[nH+]1    mol33952    1_3