110592-53-5 2,5-Pyrrolidinedione, 3-(4-bromophenyl)-1-(5-methyl-2-pyridinyl)- 3-(4-Bromophenyl)-1-(5-methyl-2-pyridinyl)-2,5-pyrrolidinedione 3-(p-Bromophenyl)-1-(5-methyl-2-pyridinyl)succinimide