TETRAPHENYLPHTHALIC ANHYDRIDE

3,4,5,6-Tetraphenylphthalic anhydride

4,5,6,7-tetra(phenyl)-2-benzofuran-1,3-dione

1,3-Isobenzofurandione, 4,5,6,7-tetraphenyl-

4,5,6,7-tetra(phenyl)isobenzofuran-1,3-quinone

1,3-Dihydro-4,5,6,7-tetraphenyl-1,3-isobenzofurandione