pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.45	IUPAC digitized pKa	1	0	CCOc1[nH+]c2cncnc2n1C,CCOc1nc2c[nH+]cnc2n1C,CCOc1nc2cnc[nH+]c2n1C	CCOc1nc2cncnc2n1C	mol8300	CCOc1nc2cncnc2n1C