O=C(O)COC1COc2ccccc2OCCOCCOc2ccccc2OC1    mol36183    0_1
O=C(O)[CH-]OC1COc2ccccc2OCCOCCOc2ccccc2OC1    mol36183    -1_1
O=C([O-])COC1COc2ccccc2OCCOCCOc2ccccc2OC1    mol36183    -1_2