pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.95	IUPAC digitized pKa	1	0	Cn1c([NH3+])nncc1=O,Cn1c(N)[nH+]ncc1=O,Cn1c(N)n[nH+]cc1=O	Cn1c(N)nncc1=O	mol9182	Cn1c(N)nncc1=O