4-[3-(1-hydroxy-2-piperidin-1-ylethyl)-2H-1,2-oxazol-5-ylidene]cyclohexa-2,5-dien-1-one

3-(3-bromophenyl)-1-(4-hydroxyphenyl)prop-2-en-1-one

[1-(4-oxocyclohexa-2,5-dien-1-ylidene)ethylamino]thiourea

5-乙酰基苯并[d]噁唑-2(3H)-酮

6-(4-羟基苯基)吡嗪-3(2H)-酮