2-debenzoyl-2,13-[(9R,8S,E)-8-tert-butoxycarbonylamino-9-hydroxy-1,10-diketodec-4-enylene]baccatin III

7-triethylsilyl-2-debenzoyl-2,13-[(2R,3S,E)-3-tert-butoxycarbonylamino-2-triethylsiloxy-1,10-diketodec-6-enylene]baccatin III

7-triethylsilyl-2-debenzoyl-2-(pent-4-enoyl)baccatin III

2-debenzoyl-2-(pent-4-enoyl)-10-deacetylbaccatin III

7-triethylsilyl-2-debenzoyl-2-(pent-4-enoyl)-10-deacetylbaccatin III