3,5-Piperidinedicarbonitrile, 4,4-dimethyl-2,6-dioxo-, compd. with piperidine (1:1) 4,4-Dimethyl-2,6-dioxo-3,5-piperidinedicarbonitrile compd. with piperidine (1:1) 61193-09-7 Piperidine, compd. with 4,4-dimethyl-2,6-dioxo-3,5-piperidinedicarbonitrile (1:1)