2,2'-(2,5-Thiophenediyl)bis[5-tert-butylbenzoxazole] 2,5-Bis(5'-tert-butyl-2-benzoxazolyl)thiophene 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene 7128-64-5 BBOT Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)- Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-tert-butyl- NSC158163