Thiophene-3-boronic acid3-thienylboronic acid3-Thiopheneboric acidThiophene-3-boronic acid3-Thiophenylboronic acid噻吩-3-硼酸3-噻吩硼酸(Thiophene-3-yl)boronic acid3-Thiopheneboronic acid3-Thienylboronic acidthiophen-3-ylboranediol3-Thiopheneboronic acid3-Thienylboronic acid噻吩-3-硼酸Thiophene-3-boronic acid