国产18 亚洲精品视频,中文字幕视频综合网,免费一级a四片久久精品网,亚洲中文字幕一二三区

            1. Product name:2-(diMethylphosphoryl)aniline

              CAS NO.:1197953-47-1

              content:≥99%

              Molecular formula:C8H12NOP

              Molecular weight:169.16

              Structural form:

              for R&D use only

              Contact Us

              Tel:0556-5209906 15391842992

              Q Q:3506754509

              E-mail:alexander9956@163.com

              Contacts:Manager Yao