?? ?? ?? ???? ?? : +86 (0)575-82040869
???
PRODUCTS+86 (0)575-82040869
sales@catsyn.com
Catsyn? 4'',4''''',4'''''''',4'''''''''''-(Ethene-1,1,2,2-tetrayl)tetrakis(([1,1':4',1''-terphenyl]-4-carboxylic acid)) | CAS 1643112-50-8?? ?? ??? ?????. ? ??? null??, ???? g/mol??, ??? ????? NLT 98%???.