10-Deacetylbaccatin
10-Deacetylbaccatins are a series of closely related natural organic compounds isolated from the yew tree. 10-Deacetylbaccatin III is a precursor to the anti-cancer drug docetaxel.
10-deacetylbaccatin III 10-O-acetyltransferase converts 10-deacetylbaccatin to baccatin III: