pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.28	Datawarrior	0	-1	CCCC(=O)c1cc(C(C)=O)n[nH]1	CCCC(=O)c1cc(C(C)=O)n[n-]1	mol13880	CCCC(=O)c1cc(C(C)=O)n[nH]1
9.2799997	OCHEM	0	-1	CCCC(=O)c1cc(C(C)=O)n[nH]1	CCCC(=O)c1cc(C(C)=O)n[n-]1	mol13880	CCCC(=O)c1cc(C(C)=O)n[nH]1