1,8-dimethoxy-5-(t-butyldimethylsilyloxy)-4-methoxycarbonyl-3-methoxymethyl-9H-xanthene-Δ9,δ-butane

2-fluoro-4-methoxy-[2-(trimethylsilyl)ethoxymethoxy]benzene

2-fluoro-6-methoxy-3-[2-(trimethylsilyl)ethoxymethoxy]benzonitrile

2-fluoro-6-methoxy-3-pivaloylbenzonitrile

3,5-dihydroxy-1,8-dimethoxy-4-(methoxycarbonyl)-9H-xanthen-9-one