phosphoric acid 3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-1-[3-(3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-butyl]-deca-4,6,8-trienyl ester bis-(9H-fluoren-9-ylmethyl) ester

dephosphocytostatin

6-[6-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-1,5-dimethyl-trideca-7,9,11-trienyl]-5-methyl-5,6-dihydro-2H-pyran-2-ol

6-[6-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-1,5-dimethyl-trideca-7,9,11-trienyl]-5-methyl-5,6-dihydro-pyran-2-one

(2S,5S,6S,7S,8Z,10Z,12E)-7-(tert-butyldimethylsilyloxy)-6-methyl-2-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-tetradeca-8,10,12-trien-5-yl sulfate