pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.25	Datawarrior	1	0	O=Cc1cc[nH+]c2ccccc12	O=Cc1ccnc2ccccc12	mol12821	O=Cc1ccnc2ccccc12