110592-51-3 2,5-Pyrrolidinedione, 3-(4-bromophenyl)-1-(3-methyl-2-pyridinyl)- 3-(4-Bromophenyl)-1-(3-methyl-2-pyridinyl)-2,5-pyrrolidinedione 3-(p-Bromophenyl)-1-(3-methyl-2-pyridinyl)succinimide