English name:3-Chlorothiophene-2-carboxylic acid Molecular formula:C5H3O2Scl Molecular weight:162.59412
English name:2-Iodo-5-methylthiophene Molecular formula:C5H5Si Molecular weight:224.0622
English name:Thieno[3,2-b]thiophene-2-boronic acid Molecular formula:C6H5BO2S2 Molecular weight:184.0437