?? ?? ?? ???? ?? : +86 (0)575-82040869
???
+86 (0)575-82040869
sales@catsyn.com
Catsyn? 1-Butyl-4-eth-1-ynylbenzene | CAS 79887-09-5?? ?? ??? ?????. ? ??? C12H14??, ???? 158.24g/mol??, ??? ????? NLT 98%???.
?? / ??
?? ??
Dichlorodiphenylsilane
3-Ethyl-4-methyl-3-pyrrolin-2-one
4,4'-Oxydianiline