(E)-(3R,6S,10R,14S)-3-(tert-Butyl-dimethyl-silanyloxy)-18,20-bis-methoxymethoxy-8,8,14-trimethyl-7,9,15-trioxa-tricyclo[15.4.0.06,10]henicosa-1(21),11,17,19-tetraen-16-one

((4R,5S)-5-allyl-2,2-dimethyl-1,3-dioxolan-4-yl)methanol

((4R,5S)-5-(2-hydroxyethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl pivalate

((4R,5S)-5-(2-iodoethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl pivalate