pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.48	IUPAC digitized pKa	0	-1	N#C[C@H]1CC[C@@H](C(=O)O)CC1	N#C[C@H]1CC[C@@H](C(=O)[O-])CC1	mol10680	N#CC1CCC(C(=O)O)CC1