2 5-Pyrrolidinedione, 1,1'-((2-methyl-1,4-piperazinediyl)bis(methylene))bis(3-ethyl-3-methyl- 32850-17-2 5-23-03-00268 (Beilstein Handbook Reference) BRN 0588242 N,N'-((2-Methyl-1,4-piperazinediyl)dimethylene)bis(2-ethyl-2-methylsuccinimide) Succinimide, N,N'-((2-methyl-1,4-piperazinediyl)dimethylene)bis(2-ethyl-2-methyl-