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A novel photochromic compound, [2,2′-bi-1H-indene]-1,1′-dione-3,3′-dihydroxy-3,3′-diisobutyl (I), was synthesized and its crystal structure was determined. The photochromic and photoinduced properties of the compound were studied. The relationship of the structure with the properties was also observed. The results showed that compound I exhibited reversible photochromism, changing from normal yellow...
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