pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.42	IUPAC digitized pKa	0	-1	C/C=C\C(=O)O	C/C=C\C(=O)[O-]	mol9125	C/C=C\C(=O)O
4.44	IUPAC digitized pKa	0	-1	C/C=C\C(=O)O	C/C=C\C(=O)[O-]	mol9125	C/C=C\C(=O)O
4.7	IUPAC digitized pKa	0	-1	C/C=C\C(=O)O	C/C=C\C(=O)[O-]	mol9125	C/C=C\C(=O)O
4.68	OCHEM	0	-1	C/C=C\C(=O)O	C/C=C\C(=O)[O-]	mol9125	C/C=C\C(=O)O
4.425	AttenGpKa training set	0	-1	C/C=C\C(=O)O	C/C=C\C(=O)[O-]	mol9125	C/C=C\C(=O)O