[O-]N=C(C[n+]1cccc2ccccc21)c1ccccc1    mol37041    0_1
ON=C([CH-][n+]1cccc2ccccc21)c1ccccc1    mol37041    0_2
ON=C(C[n+]1cccc2ccccc21)c1ccccc1    mol37041    1_1