2,2-二乙基琥珀酸

ethyl 2-cyano-2-(4-methylcyclohexylidene)acetate

2,4,6-triphenylbenzonitrile

Α,Α-二氰基-2,5-二羟基对苯二乙酸二乙酯

ethyl 2-cyano-2-methoxyiminoacetate