4-cyano-2,7-dimethyl-4,5-dihydro-1H-azepine-3,6-dicarboxylic acid diethyl ester

5-甲基乙内酰脲

2-(氰基甲基)-1H-吡咯-3-羧酸乙酯

methyl N-phenylbenzenecarboximidate

N-phenylbenzenecarboximidoyl cyanide