4-苯基-5,7-二羟基-6-(3-甲基丁酰基)-8-(3-甲基-2-丁烯基)-2H-1-苯并吡喃-2-酮

5,7-dihydroxy-4-(4-hydroxyphenyl)chromen-2-one

but-3-enoxybenzene

4-nitroheptane

ethyl 3-hydroxy-3-phenylbutanoate