pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.57	IUPAC digitized pKa	1	0	C1C[C@H]2CC[C@@H]1C[NH2+]C2	C1C[C@H]2CC[C@@H]1CNC2	mol1633	C1CC2CCC1CNC2