1,1'-(1,4-Piperazinediylbis(methylene))bis(3-ethyl-3-phenyl-2,6-piperidinedione) 2,6-Piperidinedione, 1,1'-(1,4-piperazinediylbis(methylene))bis(3-ethyl-3-phenyl- 5-23-01-00041 (Beilstein Handbook Reference) 57403-12-0 BRN 0773155