pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.69	Datawarrior	1	0	C1CNCC[NH2+]CCNC1,C1CNCCNCC[NH2+]C1	C1CNCCNCCNC1	mol13094	C1CNCCNCCNC1
6.75	Datawarrior	2	1	C1CNCC[NH2+]CC[NH2+]C1,C1C[NH2+]CCNCC[NH2+]C1	C1CNCC[NH2+]CCNC1,C1CNCCNCC[NH2+]C1	mol13094	C1CNCCNCCNC1