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4H-1-Benzopyran-4-one,7-fluoro-2,3-dihydro- , its cas register number is 113209-68-0. It also can be called 7-Fluoro-2,3-dihydro-4H-chromen-4-one ; 7-Fluoro-4-chromanone . 4H-1-Benzopyran-4-one,7-fluoro-2,3-dihydro- (CAS NO.113209-68-0) is irritating to eyes, respiratory system and skin.
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