document.write('
'); document.write(''); document.write('
Benzamide, ±½¼×õ£°·/500g/CAS:55-21-0'); document.write('£¤720
4-Bromo-1-butene, 4-äå-1-¶¡Ï©/25g/CAS:5162-44-7'); document.write('£¤313.5