1003-04-9 3(2H)-Thiophenone, dihydro- 3-Oxo-2,3,4,5-tetrahydrothiophene 3-Oxotetrahydrothiophene 3-Thiacyclopentanone 3-Thiophanone Dihydro-3(2H)-thiophenone NSC241151 Tetrahydrothiophen-3-one