6971-41-1

Einecs 230-197-0 1,2-dihydro-3,4,5,6-tetraphenylphthalic anhydride 3a,7a-Dihydro-4,5,6,7-tetraphenyl-1,3-isobenzofurandione 4,5,6,7-Tetraphenyl-3a,7a-dihydroisobenzofuran-1,3-dione 4,5,6,7-tetraphenyl-3a,7a-dihydro-2-benzofuran-1,3-dione 1,3-Isobenzofurandione, 3a,7a-dihydro-4,5,6,7-tetraphenyl-