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

bis[(9H-fluoren-9-yl)methyl]-(2S,5S,6S,8Z,10Z,12E)-6-methyl-2-[(2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl]tetradeca-8,10,12-trien-5-yl phosphate

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

(2S,3S,6R)-2-[(2S,5S,6R)-5-triethylsilyloxy-7-(4-methoxybenzyloxy)-6-methylheptan-2-yl]-6-methoxy-3-methyl-3,6-dihydro-2H-pyran