pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.2	Datawarrior	0	-1	C[C@H]1CCn2nnnc2[C@H](C(=O)O)C1	C[C@H]1CCn2nnnc2[C@H](C(=O)[O-])C1	mol13368	CC1CCn2nnnc2C(C(=O)O)C1