pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.66	IUPAC digitized pKa	0	-1	S=c1cn[nH]c(=S)[nH]1	S=c1cn[n-]c(=S)[nH]1,S=c1cn[nH]c(=S)[n-]1	mol9014	S=c1cn[nH]c(=S)[nH]1