Collect. Czech. Chem. Commun. 1961, 26, 2612-2623
https://doi.org/10.1135/cccc19612612

On terpenes. CXXXI. Isolarion and structure of costunolide, balchanolide, isobalchanolide and hydroxybalchanolide, sesquiterpenic lactones of germacrane type from Artemisia balchanorum, H. KRASCH

V. Herout, M. Suchý and F. Šorm

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