A measure of how light propagates through a material
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4'-methacryloxy-4-nitroazobenzene
Diphenylmethyl-dichlormethyl-sulfon
5-[ISOCYANO-(TOLUENE-4-SULFONYL)-METHYL]-BENZO[1,3]DIOXOLE
4-n-butoxybenzylidene-4'-chloroaniline