Obychnye khimikaty
2026-07-19
邻хлора代六芳基双имидазол
2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,1'-biimidazole
2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,1'-biimidazole 99% HPLC，98%