.alpha.-Tetralone 1(2H)-Naphthalenone, 3,4-dihydro- 1,2,3,4-Tetrahydronaphthalen-1-one 1-Tetralone 3,4-Dihydro-1(2H)-naphthalenone 3,4-Dihydro-2H-naphthalen-1-one 529-34-0 NSC5171 WLN: L66 BVT&J