(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanoacetate char
(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanomethylene ch
(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)methylene sulfone
(1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminat