Eight minor taxanes have been identified for the first time in Taxus canade
nsis needles. Four of these metabolites are new taxane analogues: 7-acetyl-
10-deacetyltaxol (1), 2 ' -acetyl-7-epi-cephalomannine (2), 10-deacetyl-10-
oxo-7-epi-cephalomannine (3), and 10-acetylglycollylbaccatin VI (4).