1-penten-3-one, 2-(phenylsulfonyl)- 2-(phenylsulfonyl)pent-1-en-3-one InChI=1/C11H12O3S/c1-3-11(12)9(2)15(13,14)10-7-5-4-6-8-10/h4-8H,2-3H2,1H