pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.34	IUPAC digitized pKa	1	0	Cn1n[nH+]c2c(NN)ncnc21,Cn1nnc2c(NN)nc[nH+]c21,Cn1nnc2c([NH2+]N)ncnc21,Cn1[nH+]nc2c(NN)ncnc21,Cn1nnc2c(NN)[nH+]cnc21	Cn1nnc2c(NN)ncnc21	mol8350	Cn1nnc2c(NN)ncnc21