[CH2-][n+]1cnc2ccccc2c1O    mol26196    0_1
C[n+]1cnc2ccccc2c1[O-]    mol26196    0_2
C[n+]1c[nH+]c2ccccc2c1[O-]    mol26196    1_1
C[n+]1cnc2ccccc2c1O    mol26196    1_2