4-(2-bromo-phenyl)-1-(4-methoxy-phenyl)-3-triisopropylsilanyloxy-azetidin-2-one

4-deacetyl-4-acryloylbaccatin III

1-dimethylsilyl-4-deacetyl-4-acryloyl-7-O,10-O,13-O-tris-triethylsilylbaccatin III

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

(+)-(3R,4S)-3-acetoxy-4-(2-bromophenyl)-1-(4-methoxyphenyl)azetidin-2-one