POLYBUTADIENE, PHENYL TERMINATED; 1,4-POLYBUTADIENESTANDARD14’000,STAB.; Poly(1-butene-1,4-diyl); Polybutadiene,lowmolecular(1,2-lpb); 1,4-polybutadiene standard 160000; 1,4-POLYBUTADIENE STANDARD 800'000; 1 4-POLYBUTADIENE STANDARD 580 STAB.; 1,4-POLYBUTADIENE STANDARD 5'000