4-Chloro-1-benzothiophene66490-33-330 % similar 4-Bromophthalonitrile70484-01-430 % similar 2,4-Dibromothiophene3140-92-930 % similar 2,3-Dibromothiophene3140-93-030 % similar Methyl 6-bromonaphthalene-2-carboxylate33626-98-130 % similar 3,3''-Dibromo-1,1':3',1''-terphenyl95962-62-230 % similar