1 S8A (1,1-dioxido-3-oxo-1,2-benzothiazol-2(3h)-yl)acetic acid 1.000 2 LSA 1,2-benzisothiazol-3(2h)-one 1,1-dioxide 0.750 3 51X (1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)acetic acid 0.722 4 KKG (4-oxoquinazolin-3(4h)-yl)acetic acid 0.722 5 SXS 6-amino-1,2-benzothiazol-3(2h)-one 1,1-dioxide 0.706