Cc1cccc(-c2nnnn2C)c1    mol25909    0_1
Cc1cccc(-c2nn[nH+]n2C)c1    mol25909    1_1
Cc1cccc(-c2n[nH+]nn2C)c1    mol25909    1_2
Cc1cccc(-c2[nH+]nnn2C)c1    mol25909    1_3