pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.9	IUPAC digitized pKa	1	0	Cc1cc(C)n(C)c(=O)[nH+]1	Cc1cc(C)n(C)c(=O)n1	mol4169	Cc1cc(C)n(C)c(=O)n1
4.0	Datawarrior	1	0	Cc1cc(C)n(C)c(=O)[nH+]1	Cc1cc(C)n(C)c(=O)n1	mol4169	Cc1cc(C)n(C)c(=O)n1