pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.95	Datawarrior	0	-1	O=c1[nH]ccc2nnnn12	O=c1[n-]ccc2nnnn12	mol13197	O=c1[nH]ccc2nnnn12
6.9499998	OCHEM	0	-1	O=c1[nH]ccc2nnnn12	O=c1[n-]ccc2nnnn12	mol13197	O=c1[nH]ccc2nnnn12