(E)-5-acetoxy-2,6-dimethyl-8-(2-oxo-2H-chromen-7-yloxy)-6-octen-3-yn-2-ol

7-prop-2-enoxychromen-2-one

2-(2-oxochromen-7-yl)oxyacetaldehyde

(E)-3-甲基戊-2-烯-4-炔-1-醇

2-甲基-3-丁炔-2-醇