4-[(2-aminopyrimidin-4-yl)amino]benzenesulfonamide 4-[(2-amino-4-pyrimidinyl)amino]benzenesulfonamide 2153-13-1 2153-13-1 (FREE BASE) 22199-93-5 (HYDROCHLORIDE SALT) 4-((2-Amino-4-pyrimidinyl)amino)benzenesulfonamide AIDS-029154 AIDS029154 NSC135784 (FREE BASE) NSC683526 (HYDROCHLORIDE SALT) NSC135784 ZINC00056465 NCI60_000801 NCIStruc2_000899 NCGC00014345 NSC-135784 NCIStruc1_000852 NCI135784