2,6-Dimethyl-2,3,5,6-tetrabromo-4-heptanone 4-Heptanone, 2,3,5,6-tetrabromo-2,6-dimethyl- 4-Heptanone, 2,6-dimethyl-2,3,5,6-tetrabromo- 73806-71-0 NSC74533