O=C1OC2(c3ccccc31)c1cc(F)c(O)c(F)c1Oc1c2cc(F)c(O)c1F    mol30994    0_1
O=C1OC2(c3ccccc31)c1cc(F)c([O-])c(F)c1Oc1c2cc(F)c(O)c1F    mol30994    -1_1