2-debenzoyl-2-(3-ethenylbenzoyl)-3'N-debenzoyl-3'N-(3-iodobenzoyl)-2'-triisopropylsilyl-3'-dephenyl-3'-(2-methylprop-1-enyl)-7-triethylsilylpaclitaxel

2-debenzoyl-2-(3-iodobenzoyl)-3'N-debenzoyl-3'N-(pent-4-enoyl)-3'-dephenyl-3'-(2-phenylethenyl)-2'-triethylsilyl-7-triethylsilylpaclitaxel

2-debenzoyl-2-(3-iodobenzoyl)-3'N-debenzoyl-3'N-(3-ethenylbenzoyl)-2'-triethylsilyl-7-triethylsilylpaclitaxel