[[(E)-(3-碘-5-甲氧基-4-氧代-1-环己-2,5-二烯亚基)甲基]氨基]脲

5-[(4-羟基-3-甲氧基苯基)亚甲基]-2-巯基-1,3-二嗪农-4,6-二酮

4-(1,3-dihydrobenzimidazol-2-ylidene)-2-methoxycyclohexa-2,5-dien-1-one

2-羟基-3-甲氧基-5-甲基苯甲醛

2-methoxy-4-[(pyridin-2-ylamino)methylidene]cyclohexa-2,5-dien-1-one