pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.26	IUPAC digitized pKa	1	0	CC1=[NH+]c2nccnc2CN1,CC1=Nc2[nH+]ccnc2CN1,CC1=Nc2ncc[nH+]c2CN1	CC1=Nc2nccnc2CN1	mol8158	CC1=Nc2nccnc2CN1