| 摘要 |
PROBLEM TO BE SOLVED: To provide a photochromic compound.SOLUTION: This invention relates to a compound represented by the following formula (I). In formula (I), ring A may be, for example, an aryl group, Lis an extension of chiral or achiral. The compound represented by formula (I) may be a photochromic compound. The invention also relates to a photochromic composition and photochromic article such as one or plural photochromic compounds, for example, including one represented by formula (I).SELECTED DRAWING: None |
