[O-]c1cccc2[nH]c[nH+]c12 mol26360 0_1 Oc1cccc2[nH]cnc12 mol26360 0_2 Oc1cccc2[nH]c[nH+]c12 mol26360 1_1 [O-]c1cccc2[nH]cnc12 mol26360 -1_1 Oc1cccc2[n-]cnc12 mol26360 -1_2