91991-21-8 2,1-Benzisothiazole,butanamide deriv. 2,1-Benzisothiazole,butanamide deriv. Catalog No.: 993268 Name: 2,1-Benzisothiazole,butanamide deriv. CAS: 91991-21-8 Formula: C11H11ClN2OS Inquire about this product →