: B 2558 (OTTO) 5-Bromo-2-fluorobenzonitrile, 97% Cas 179897-89-3 - used for (E)-5-(2-cyclopropylvinyl)-2-fluorobenzonitrile and methyl-3-amino-5-bromobenzo[b]thiophene-2-carboxylate.(S)-[2-[5-(3-cyano-4-fluoro-phenyl)-pyridin-3-yloxy]-1-(1H-indol-3-ylmethyl)-ethyl]-carbamic acid tert-butyl ester.