2-[二(2-氯乙基)氨基]环己-2,5-二烯-1,4-二酮

1,2,3,4-tetrachloro-1,4,4a,8a-tetrahydro-1,4-methanonaphthalene-5,8-dione

1,4-二羟基-2-碘苯

4-羟基苯甲腈

diethyl 1-cyano-4-oxocyclohexa-2,5-dienyl phosphate