pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.66	Datawarrior	2	1	C[n+]1c(N[NH3+])ccc2ccccc21,C[n+]1c([NH2+]N)ccc2ccccc21	C[n+]1c(NN)ccc2ccccc21	mol13827	C[n+]1c(NN)ccc2ccccc21