| 英文名称: | | 5-piperidinedicarbonitrile, 4,4-dimethyl-2,6-dioxo- compd. with piperidine ( | | 4,4-dimethyl-2,6-dioxo-3,5-piperidinedicarbonitrile compd. with piperidine (1 | | piperidine, compd. with 4,4-dimethyl-2,6-dioxo-3,5-piperidinedicarbonitrile ( | | 5-piperidinedicarbonitrile, 4,4-dimethyl-2,6-dioxo-compd. with piperidine (1:1) |
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