2-benzoyl-1,1-dioxo-1-benzothiophen-3-one

3-(hydroxymethyl)-2-phenylthiochromen-4-one

4H-1-Benzothiopyran-4-one, 3-(chloromethyl)-2-phenyl-

2-phenylthiochroman-4-ol

2,3-二氢-2-苯基-4H-1-苯并噻喃-4-酮