1-(5-ethyl-2,4-dihydroxyphenyl)-2-(4-methoxyphenyl)ethanone

1-(5-乙基-2,4-二羟基苯基)乙酮

2-Ethyl-3-hydroxy-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one

1-(3-乙基-2,6-二羟基苯基)-1-乙酮