国产色 在线I777视频在线观看I日韩视频中文字幕在线观看I五月花激情I91av电影网I亚洲精品裸体I欧美综合干I中文字幕123区I日韩免费在线视频I久久婷婷国产I最新在线你懂的I日韩一级片网址

[Product name]:

4-[(E)-2-(3,5-Dimethoxyphenyl)ethenyl]benzene-1,2-diol;

4-[(E)-2-(3,5-Dimethoxyphenyl)vinyl]benzene-1,2-diol;

(E)-4-(3,5-Dimethoxystyryl)benzene-1,2-diol;

4-[2-(3,5-dimethoxyphenyl)ethenyl]benzene-1,2-diol;

[Structural Formula]:

[Molecular Formula]:

C₁₆H₁₆O₄

[Molecular Weight]:

272.29600

[CAS NO]:

475231-21-1

[Packing]:

Properties

Appearance

 White crystalline powder

Boiling range ℃

112～115℃

Quality Specifications

Purity%

≥98.0

Moisture %

≤0.5