2-Bromothiophene1003-09-430 % similar 2,5-Dibromo-3-hexylthiophene116971-11-030 % similar 2,5-Dibromo-3-dodecylthiophene148256-63-730 % similar 2,5-Dibromo-3-octylthiophene149703-84-430 % similar 2,5-Dibromo-3-decylthiophene158956-23-130 % similar