Ic1nnn[nH]1    mol15833    0_1
Ic1nn[nH+][nH]1    mol15833    1_1
Ic1[nH]nn[nH+]1    mol15833    1_2
Ic1n[nH+]n[nH]1    mol15833    1_3
Ic1nnn[n-]1    mol15833    -1_1