Diterpenoids from Salvia prionitis.

Seven diterpenoids, 3-ketosapriparaquinone ( 1), salvilenone, 3-hydroxysalvilenone ( 2), arucadiol, royleanone, sugiol, and ferruginol were isolated from the root of SALVIA PRIONITIS Hance (Labiatae); Compounds 1 and 2 are new natural products. The structure of 1 was established through the interpretation of spectral data.