斗转星移合成怎么进不去,a级片电影免费在线视频,九九热这里只有精品6,免费吃奶摸下激烈视频网址,国产麻豆a一级毛片爽爽影院,波霸女的淫欲生活,孽乱呻吟声老妇

  Sichuan JingYu Chemical Co., Ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: (1R,2R)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine 144222-34-4
Date: 2018-08-01
Cas#: 144222-34-4
Specification: 144222-34-4
Price:
Quantity: 100Kilogram
Term: 3Days
Note: Product Name: (1R,2R)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine
sort: Chiral Amines
CAS No.: 144222-34-4
Formula: C21H22N2O2S
Formula Weight: 366.48
Appearance: White or pale yellow needle-like crystal
Chemical purity: 98.0% min
Optical purity: 99.0%e.e. min
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.