2-(Methylsulfonyl)-1-phenylethanone 2-(Methylsulfonyl)acetophenone 3708-04-1 4-08-00-00410 (Beilstein Handbook Reference) ACETOPHENONE, 2-(METHYLSULFONYL)- BRN 2047890 Ethanone, 2-(methylsulfonyl)-1-phenyl- (9CI) Methylsulfonylbenzoylmethane NSC 137561 NSC 2736 NSC 51601