Abstract

A study of the chemical composition of a petroleum ether extract of the bark of Yeddo spruce growing in Khabarovsk Territory has shown that the neutral fraction of the extract contained waxes, glycerides, diterpenoids — epimanool, cis- and trans-abienols, and phyllocladenol, and triterpenoids — the epimeric 3α-and 3β-methoxy-21-hydroxy-Δ14-serratenes and a ketone which has been ascribed the structure of 21-keto-3β-methoxy-Δ14-serratene.

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