document.write('
'); document.write(''); document.write('
4-Bromo-1-butene, 4-溴-1-丁烯/5g/CAS:5162-44-7'); document.write('¥98
BG-F21843L-9(直四口瓶/3000mL/主29/42/侧24/40/前19/22)'); document.write('¥444