免费看黃色AAAAAA 片,中文字幕乱码亚洲中文在线 ,上海熟妇搡BBBB搡BBBB,国产69精品久久久久熟女白洁

  • Description
  • Technology
  • Order

5’-O-DMT-N2-Isobutyryl-2’-Deoxy Guanosine Phosphoramidite

Formula: C44H54N7O8P

Mol. Wt.: 839.92

CAS#: 93183-15-4