diethyl 2,4-dicyanopentanedioate

2-cyano-N-(9,10-dioxoanthracen-2-yl)acetamide

N-(2-cyanoacetyl)benzamide

2-cyano-3-(4-hydroxy-3-methoxyphenyl)prop-2-enamide

2-邻甲苯基琥珀酸