(DIHYDROXYBORYL)-3-THIOPHENECARBOXYLIC ACID;2-boronothiophene-3-carboxylic acid;RARECHEM AL BE 0855;3-CARBOXYTHIOPHENE-2-BORONIC ACID;2-(DIHYDROXYBORYL)-3-THIOPHENECARBOXYLIC ACID;3-Thiophenecarboxylicacid,2-borono-(9CI);2-Carboxythiophene-3-boronic acid;2-(Dihydroxyboryl)-3-thiophenecarboxylic acid , Tech. May contain varying amounts of anhydride