pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.91	IUPAC digitized pKa	0	-1	CC(C)CCNC(=S)S	CC(C)CCNC(=S)[S-]	mol9828	CC(C)CCNC(=S)S
2.73	IUPAC digitized pKa	0	-1	CC(C)CCNC(=S)S	CC(C)CCNC(=S)[S-]	mol9828	CC(C)CCNC(=S)S