pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.23	IUPAC digitized pKa	1	0	Cc1nc2c(cnn2C)c[nH+]1,Cc1ncc2cnn(C)c2[nH+]1,Cc1ncc2c[nH+]n(C)c2n1	Cc1ncc2cnn(C)c2n1	mol4941	Cc1ncc2cnn(C)c2n1