成年偏黄全免费网站,色94色欧美sute亚洲线路一ni,免费观看的日韩黄视频,九九99九九精彩6,手机看黄色毛片,国产一级做a爱片在线看免,一黄色毛片


Diethyl D-(-)-tartrate

Product Name: (2S,3S)(-)-Dihydroxybutane-1,4-dioic acid diethyl ester
MF: C8H14O6
MW: 206.19
CAS: 13811-71-7
Molecular Structure:




  Previous product: (+)-Diisopropyl L-tartrate
  Next product: 2-amino-4-chlorophenol