O=C(O)/C=C/c1ccccc1O    mol1274    0_1
O=C(O)/C=C/c1ccccc1[O-]    mol1274    -1_1
O=C([O-])/C=C/c1ccccc1O    mol1274    -1_2
O=C([O-])/C=C/c1ccccc1[O-]    mol1274    -2_1