亚洲爆乳精品无码一区二区三区,日韩精品一区二区五月婷,大吊干肥穴视频,久久久久久久久久久久黄

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.