?? ?? ?? ???? ?? : +86 (0)575-82040869
???
PRODUCTS+86 (0)575-82040869
sales@catsyn.com
Catsyn? 5'-(4-Formylphenyl)-2',4',6'-triethyl-[1,1': 3',1''-triphenyl] -4,4''-DI formaldehyde | CAS 2195343-69-0?? ?? ??? ?????. ? ??? null??, ???? g/mol??, ??? ????? NLT 98%???.