pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.79	Caine	0	-1	O=C1CCC(=O)C1C(=O)C1CC1	O=C1CCC(=O)[C-]1C(=O)C1CC1	mol2746	O=C1CCC(=O)C1C(=O)C1CC1