性直播视频在免费线观看,日本又黄又猛又爽免费视频,国产香蕉在线视频,免费黄,国产成人在线观看av,久久国产成人免费视频,999精品视频在这里

Chemical name：4,4'-dimethoxy -5,6,5',6'-Di(Methoxymethenyl)-2,2-dimethoxy carboxylbiphenyl
Molecular formula：C₂₀H₁₈O₁₀
Molecular weight：418.36
CAS：73536-69-3
Structural formula：

Specification：
In accordance with ChP 2020 edition
Appearance：White crystalline powder
Melting point：180-183℃
Loss on drying：≤1.0%
Residue on ignition：≤0.1%
Heavy metal：≤20ppm
Assay：97.0%～103.0%
Total aerobic microbial count：≤10³cfu/g
Total yeast and mold count：≤10²cfu/g
 
Packing size：25Kg/drum
Authentication code: Guo Yao Zhun Zi H37022201
Indications: For liver disease, used for patients with prolonged hepatitis and long-term single aminotransferase abnormality.