pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.5	QSARToolbox	0	-1	C=C[C](O)OC[C@H](C)O	C=C[C](O)OC[C@H](C)[O-]	mol34821	C=C[C](O)OCC(C)O