Collect. Czech. Chem. Commun.
1981, 46, 1023-1030
https://doi.org/10.1135/cccc19811023
Mass spectra of 18α,19βH-ursane derivatives with a lactone arrangement of the ring E
Jiří Protiva, Eva Klinotová, Hana Skorkovská and Alois Vystrčil
Department of Organic Chemistry, Charles University, 128 40 Prague 2
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