(3R,4R)-4-((2R,5S,6S)-5,6-dimethoxy-5,6-dimethyl-3-oxo-[1,4]dioxan-2-yl)-3-((R)-2-nitro-1-phenylethyl)chroman-2-one

(+)-(3R,5S,6S,1'R)-5,6-dimethoxy-5,6-dimethyl-3-(2',2'-dimethyl-1'-propanol-1'-yl)-[1,4]-dioxan-2-one

(3R,5S,6S)-5,6-Dimethoxy-5,6-dimethyl-3-(19-methyl-icosyl)-[1,4]dioxan-2-one

3-((1R,4R,8S,E)-1-hydroxy-4,8-dimethyl-9-(triisopropylsilyloxy)non-2-enyl)-5,6-dimethoxy-5,6-dimethyl-1,4-dioxan-2-one

(3R,4R)-4-((2R,5S,6S)-5,6-dimethoxy-5,6-dimethyl-3-oxo-[1,4]dioxan-2-yl)-3-((R)-3-oxo-1,3-diphenylpropyl)chroman-2-one