21454-19-3

Bis[4-(1,2-dioxo-2-phenylethyl)phenyl] ether Ethanedione, 1,1'-(oxydi-4,1-phenylene)bis[2-phenyl- phenylacetyl)phenoxy]phenyl]-2-phenylethane-1,2-dione 2,2'-(oxybis(4,1-phenylene))bis(1-phenylethane-1,2-dione) 1-[4-[4-(2-oxo-2-phenylacetyl)phenoxy]phenyl]-2-phenylethane-1,2-dione