英文名称: | 5-piperidinedicarbonitrile, 2,6-dioxo-4-ethyl-4-methyl- compd. with piperidi | 2,6-dioxo-4-ethyl-4-methyl-3,5-piperidinedicarbonitrile compd. with piperidin | piperidine, compd. with 4-ethyl-4-methyl-2,6-dioxo-3,5-piperidinedicarbonitri | le (1:1) | 5-piperidinedicarbonitrile,2,6-dioxo-4-ethyl-4-methyl- compd. with piperidine (1:1) |
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