3-hydroxy-5-methoxy-3'-((4R,5S)-5-(methoxycarbonyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-[1,1'-biphenyl]-2-carboxylic acid

5-hydroxy-7-methoxy-2,2-dimethyl-benzo[1,3]dioxin-4-one

(R)-5-(trimethylsilyl)pent-4-yn-2-ol

5-(3-(hydroxymethyl)phenyl)-7-methoxy-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one