95698-26-3Relevant articles and documents
CHROMENE COMPOUND AND CURABLE COMPOSITION CONTAINING THE CHROMENE COMPOUND
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Paragraph 0163-0165, (2018/05/24)
PROBLEM TO BE SOLVED: To provide a chromene compound having small temperature dependency while maintaining conventionally required photochromic properties. SOLUTION: The present invention provides a chromene compound represented by formula (1), where a cyclic X group, and substituents at 6-, 7-, and 11-positions are specific substituents. SELECTED DRAWING: None COPYRIGHT: (C)2018,JPOandINPIT