Collect. Czech. Chem. Commun. 1983, 48, 928-936

The synthesis and the mass spectra of 28,29,30-trinoroleanane derivatives with a double bond in the ring E or D

Jiří Protiva, Václav Křeček, Josefa Křečková, Eva Klinotová and Alois Vystrčil

Department of Organic Chemistry, Charles University, 128 40 Prague 2

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