pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.3	IUPAC digitized pKa	1	0	C[C@H]1C[C@H]2CC[NH+]1C(C)(C)C2	C[C@H]1C[C@H]2CCN1C(C)(C)C2	mol7777	CC1CC2CCN1C(C)(C)C2