久久精品国产亚洲?v不卡,国产乱子伦视频在线观看,欧美少妇中文综合,永久免费GayV无码网站,久久婷婷大香萑太香蕉AV人,国产精品久久码一区二区,一区二区三区福利在线视频,美国成年网站视频免费影院,秋霞理论在线观看,亚洲乱亚洲乱少妇无码


2,2’-Dithiobis(5-ethoxy-7-fluoro[1,2,4]triazol0[1,5-c]pyrimidine)


Product Name: 2,2’-Dithiobis(5-ethoxy-7-fluoro[1,2,4]triazol0[1,5-c]pyrimidine)
CAS: 166524-75-0
Molecular Structure:
Sspecification: 88.0%
Packing specification: 25KG kraft paper bag
Use: Important Intermediates of Dichlorosulfonamide and Chloramphenicol
  




  Previous product: lmazapic
  Next product: 5-Methylpyridine-2,3-dicarboxylic acid dimethyl ester