2,6-Dioxo-4-ethyl-4-methyl-3,5-piperidinedicarbonitrile compd. with piperidine (1:1) 3,5-Piperidinedicarbonitrile, 2,6-dioxo-4-ethyl-4-methyl-, compd. with piperidine (1:1) 61193-03-1 Piperidine, compd. with 4-ethyl-4-methyl-2,6-dioxo-3,5-piperidinedicarbonitrile (1:1)