TTR40: Tolterodine Dihydro Benzopyranone Impurity

TTR40: Tolterodine Dihydro Benzopyranone Impurity

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6-Methyl-4-phenylchroman-2-one (USP) ;

6-Methyl-4-phenyl-3,4-dihydro-1-benzopyran-2-one ;

CAS # 40546-94-9 ;

C16H14O2 ;

MW: 238.28 ;