pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.7	Datawarrior	0	-1	O=C1CCON1	O=C1CCO[N-]1	mol15840	O=C1CCON1
6.6999998	OCHEM	0	-1	O=C1CCON1	O=C1CCO[N-]1	mol15840	O=C1CCON1