pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.14	IUPAC digitized pKa	0	-1	CCn1cnc2c(=O)[nH]c(=O)[nH]c21	CCn1cnc2c(=O)[nH]c(=O)[n-]c21,CCn1cnc2c(=O)[n-]c(=O)[nH]c21	mol10184	CCn1cnc2c(=O)[nH]c(=O)[nH]c21