1,1'-bi-1H-imidazole, 2,2'-bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-5g
https://www.chemsilico.com/shop/na-da00hzg3-11-bi-1h-imidazole-22-bis-2-chlorophenyl-44-55-tetraphenyl-5g-48848
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Heterocyclic compound used as photoinitiator and catalyst.
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