?? ?? ?? ???? ?? : +86 (0)575-82040869
???
PRODUCTS+86 (0)575-82040869
sales@catsyn.com
Catsyn? 4,4''-Dihydroxy-[1,1':4',1''-terphenyl]-3,3''-dicarboxylic acid | CAS 1623061-09-5?? ?? ??? ?????. ? ??? C20H14O6??, ???? 350.32g/mol??, ??? ????? NLT 98%???.