又硬又粗进去好疼A片麻豆,熟妇人妻久久中文字幕,国产精品久久久久av福利动漫,五十路熟妇亲子交尾

[Product name]:

3,5-dimethoxybenzaldehyd;
3,5-dimethoxy benzaldehyde;
Benzaldehyde,3,5-dimethoxy

[Structural Formula]:

[Molecular Formula]:

C₉H₁₀O₃

[Molecular Weight]:

166.174

[CAS NO]:

7311-34-4

[Packing]:

Properties

Appearance

White or offwhite crystal powder

Melting range ℃

45-48

Quality Specifications

Purity%

≥98.0

Moisture %

  ≤0.5