1	ITA	{4-[(carboxymethoxy)carbonyl]-3,3-dioxido-1-oxonaphtho[1,2-D]isothiazol-2(1h)-yl}acetic acid	1.000
2	ITB	2-(carboxymethyl)-1-oxo-1,2-dihydronaphtho[1,2-D]isothiazole-4-carboxylic acid 3,3-dioxide	0.786