pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.11	IUPAC digitized pKa	1	0	N=c1[nH+]cccn1Cc1ccccc1,[NH2+]=c1ncccn1Cc1ccccc1	N=c1ncccn1Cc1ccccc1	mol7131	N=c1ncccn1Cc1ccccc1