3'-dephenyl-3'-(o-vinylphenyl)-4-deacetyl-4-acryloyl-7-O-triethylsilyl-2'-O-triisopropylsilylpaclitaxel

3'-dephenyl-3'-(o-allylphenyl)-4-deacetyl-4-acryloyl-7-O-triethylsilyl-2'-O-triisopropylsilylpaclitaxel