Cc1c(O)nnn1Cc1ccc2ccccc2c1    mol32033    0_1
Cc1c([O-])n[nH+]n1Cc1ccc2ccccc2c1    mol32033    0_2
Cc1c([O-])nnn1Cc1ccc2ccccc2c1    mol32033    -1_1