pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.2	Datawarrior	0	-1	Cc1cc(-c2c(C)noc2O)on1	Cc1cc(-c2c(C)noc2[O-])on1	mol13782	Cc1cc(-c2c(C)noc2O)on1