COc1cc(C)nc(-n2[nH+]c(C)cc2[O-])n1 mol14533 0_1 COc1cc(C)nc(-n2nc(C)cc2[O-])[nH+]1 mol14533 0_2 COc1cc(C)[nH+]c(-n2nc(C)cc2[O-])n1 mol14533 0_3 COc1cc(C)nc(-n2nc(C)cc2O)n1 mol14533 0_4 COc1cc(C)nc(-n2nc(C)cc2[O-])n1 mol14533 -1_1