Three serratene triterpenoids, 3 beta,21 dihydroxy-26-nor-8,14-sekogam
maser-14(27)-en-8-one (1), 3 beta,21 ha-dihydroxy-8,14-sekogammasera-8
(26),14(27)-diene (2), and 3 alpha,21 beta,24-trihydroxyserrat-14-ene
(3), were isolated from the Siberian chemorace of Lycopodium clavatum
L. and identified. Compound 1 was isolated from L. clavatum L. for the
first time.