can't read?
2-Bromo-4′-methoxyacetophenone, 97% used as a cell-permeable, covalent and potent protein tyrosine phosphatase inhibitor.
B 2160 (OTTO) 2-Bromo-4′-methoxyacetophenone, 97% Cas 2632-13-5 - used in the synthesis of light-responsive diblock copolymers containing para-methoxyphenacyl photocleavable side groups.