Collect. Czech. Chem. Commun. 1993, 58, 173-190

21,22-Disubstituted 18α,19βH-Ursane Derivatives with Oxabicyclooctane System in Ring E

Eva Klinotováa, Jiří Klinota, Václav Křečeka, Miloš Buděšínskýb and Bohumil Mácaa

a Department of Organic Chemistry, Charles University, 128 40 Prague 2, Czech Republic
b Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6, Czech Republic

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