1 HCH (7-carboxy-1-benzothiophen-2-yl)-tris(oxidanyl)boranuide 1.000 2 BZB Benzo[B]thiophene-2-boronic acid 0.750 3 KZ2 1-benzothiophene-7-carboxylic acid 0.750 4 H9E [5-(bromomethyl)-1-benzothiophen-2-yl]-tris(oxidanyl)boranuide 0.722 5 HCQ [5-(aminomethyl)-1-benzothiophen-2-yl]-tris(oxidanyl)boranuide 0.722