12224-40-7 2,2'-(2,5-Thiophenediyl)bis(5-tert-butylbenzoxazole) 2,5-Bis(5-tert-butylbenzoxazol-2-yl)thiophene 2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole) 59249-63-7 7128-64-5 BBOT BBOT 150 Benzoxazole, 2,2'-(2,5-thiophenediyl)bis(5-(1,1-dimethylethyl)- Benzoxazole, 2,2'-(2,5-thiophenediyl)bis(5-tert-butyl- EINECS 230-426-4 NSC 158163 Uvitex OB