?? ?? ?? ???? ?? : +86 (0)575-82040869
???
PRODUCTS+86 (0)575-82040869
sales@catsyn.com
Catsyn? N1,N1'-(biphenyl-4,4'-diyl)bis(N1-phenyl-N4,N4-DI-m-tolylbenzene-1,4-diamine) | CAS 199121-98-7?? ?? ??? ?????. ? ??? C64H54N4??, ???? 879.14g/mol??, ??? ????? NLT 98%???.