pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.0	OCHEM	0	-1	""	""	mol33740	C=C1C[C@@]23C[C@@]1(O)CC[C@@H]2[C@]12C=C[C@@H](O)[C@](C)(C(=O)O1)[C@@H]2[C@H]3C(=O)O