22515-03-3
1-benzhydryl-4-(4-benzhydrylphenyl)benzene
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33399-69-8
1-[bis(2,3,4,5,6-pentachlorophenyl)methyl]-4-[4-[bis(2,3,4,5,6-pe ntachlorophenyl)methyl]-2,3,5,6-tetrachloro-phenyl]-2,3,5,6-tetra chloro-benzene