?? ?? ?? ???? ?? : +86 (0)575-82040869
???
PRODUCTS+86 (0)575-82040869
sales@catsyn.com
Catsyn? 5-( Diphenylphosphino)-1',3',5'-triphenyl -1'H-1,4'-bipyrazole | CAS 1021176-73-7?? ?? ??? ?????. ? ??? C36H27N4P??, ???? 546.60g/mol??, ??? ????? NLT 98%???.