Minor diterpenoids of Teucrium chamaedrys

Summary The structures of four new diternenoids ofTeucrium chamaedrys L.—teucrins B, E, F, and G, be-longing to the group of rearranged labdanes — has been shown. For teucrins E and F, the trans-(5, 10)-linkage of rings A/B has been shown.Institute of Chemistry, Academy of Sciences of the Moldavian SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 589–598, September–October, 1974.