can't read?
B 2453 (OTTO) 3-Bromobenzoyl chloride, 98% Cas 1711-09-7 - used in the synthesis of 2-(3-bromophenyl)-5-phenyl-1,3,4-oxadiazole and (4-benzhydryl-1,4-diazepan-1-yl)(3-bromophenyl)methanone.