document.write('
'); document.write(''); document.write('
1,3-Dithiane, 1,3-二噻烷/25g/CAS:505-23-7'); document.write('¥1050
N,N'-Carbonyldiimidazole, N,N'-羰基二咪唑(CDI)/500g/CAS:530-62-1'); document.write('¥423.5