methyl 2,2-bis(2-cyanoethyl)-3-oxobutanoate

benzyl 3-chloropropanoate

十六腈

diethyl 2-cyano-2-(2-cyanoethyl)-3,3-dimethylpentanedioate

methyl 1-(2-cyanoethyl)-2-oxocyclododecane-1-carboxylate