pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.95	IUPAC digitized pKa	0	-1	S=C1NCc2nccnc2N1	S=C1[N-]Cc2nccnc2N1,S=C1[N-]c2nccnc2CN1	mol9710	S=C1NCc2nccnc2N1