pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.79999995231628	QSARToolbox	0	-1	""	""	mol37505	O=C(NCCN(CCNC(=O)c1cc(S(=O)(=O)O)c2cccnc2c1O)CCNC(=O)c1cc(S(=O)(=O)O)c2cccnc2c1O)c1cc(S(=O)(=O)O)cc(O)c1O