1,2-benzylidene-9,10-isopropylidene-5-deoxytaxicin-I

(2S,3aS,5S,7aR,10aR,10bR,14aR,14bS)-5-hydroxy-6,9,9,10b,15,15-hexamethyl-2-phenyl-4,5,7a,10a,10b,11,12,13,14a,14b-decahydro-14H-3a,7-methanobenzo[3,4]cyclodeca[1,2-d:5,6-d']bis([1,3]dioxole)-14-one

(2S,3aS,5S,7aR,10aR,10bR,14S,14aR,14bS)-14-(hydroxymethyl)-6,9,9,10b,15,15-hexamethyl-2-phenyl-5,7a,10a,10b,11,12,13,14,14a,14b-decahydro-4H-3a,7-methanobenzo[3,4]cyclodeca[1,2-d:5,6-d']bis([1,3]dioxole)-5,14-diol