国产麻豆免费视频,亚洲欧美在线中文字幕不卡,久久中文网中文字幕

Name: 3,4,5-Trimethoxybenzoic acid methyl ester

Alias: Trimethoprim impurity H

CAS No: 1916-07-0

Molecular Formula：C11H14O5;

Molecular Weight： 226.2259

Structure Formula: 

Appearance：White monoclinic crystalline powder.

Storage: Moisture-proof and avoid light, sealed storage.

Package:25kgs/drum

Capacity:200MT/year

Spec:≧99% content

Usage: It is used as a medical intermediate which is the main raw material of anti-anxiety drug trimetazidine, gastrointestinal drug trimebutene maleate.