2-butanone, 3-bromo-4-[(4-methylphenyl)sulfonyl]- 3-bromo-4-[(4-methylphenyl)sulfonyl]butan-2-one InChI=1/C11H13BrO3S/c1-8-3-5-10(6-4-8)16(14,15)7-11(12)9(2)13/h3-6,11H,7H2,1-2H