2,5-PIPERAZINEDIONE,3,3,6,6-TETRAMETHYL 2,5-piperazinedione, 3,3,6,6-tetramethyl- 3,3,6,6-tetramethylpiperazine-2,5-dione 4512-46-3 InChI=1/C8H14N2O2/c1-7(2)5(11)10-8(3,4)6(12)9-7/h1-4H3,(H,9,12)(H,10,11