pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.9	IUPAC digitized pKa	1	0	CCCCn1ccc[nH+]c1=NC,CCCCn1cccnc1=[NH+]C	CCCCn1cccnc1=NC	mol7197	CCCCn1cccnc1=NC