Intramolecular transesterified taxanes from Taxus yunnanensis

Intramolecular transesterified taxanes from Taxus yunnanensis Four New Taxanes from the Roots of Taxus yunnanensis Taxane Diterpenoids from the Root Bark of Taiwanese Yew <i>Taxus Mairei</i> Taxanes from the leaves of Taxus cuspidata Three New Oxetane-Ring-Containing Taxoids from <i>Taxus </i><i>c</i><i>hinensis</i> Novel Diterpenoids from Taxus chinensis Taxoids from the needles of the Canadian yew Taxoids from the needles of the Canadian yew Two taxane diterpenes from Taxus mairei Taxus canadensis taxanes: structures and stereochemistry