日本高清不卡全中文字幕 - 无码视频直接在线观看 - 久久精品无码一区二区日韩 - aa久久一级一片毛片特色 - 曰批视频免费120分钟
Zhengzhou Kingorgchem Chemical Technology Co., Ltd.
Tel:+86-371-65511006
CHINESE
ENGLISH
HOME
ABOUT US
About us
Course
Direction
Qualification
PRODUCT
Ligands
Chiral Ligands
Achiral Ligands
Homogeneous Catalyst
Functional Intermediates
Pharmaceutical Intermediates
R&D
Technology
QC
Plant
Results
Projects
Patents
Papers
Achievements
NEWS
CONTACT US
Contact us
HR
HOME
ABOUT US
About us
Course
Direction
Qualification
PRODUCT
Ligands
Chiral Ligands
Achiral Ligands
Homogeneous Catalyst
Functional Intermediates
Pharmaceutical Intermediates
R&D
Technology
QC
Plant
Results
Projects
Patents
Papers
Achievements
NEWS
CONTACT US
Contact us
HR
(-)-1,2-Bis((2R,5R)-2,5-diphenylphospholano)ethane
Previous product:
(4S,5S)-(+)-4,5-Bis(diphenylphosphinomethyl)-2,2- dimethyl-1,3-dioxolane
Next product:
(S)-(+)-(3,5-Dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl)piperidine