pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.29999995231628	QSARToolbox	1	0	NC(=[NH2+])SCC(=O)O	NC(=[NH2+])SCC(=O)[O-]	mol33873	N=C(N)SCC(=O)O