A new abietane diterpene epoxide and five known abietane diterpene quinones have been isolated for the first time fromSalvia moorcraftiana roots. The epoxide has been identified as 5α-hydroxy-abieta 8,11,13-triene-7-one-1,10-epoxide and the diterpene quinones have been characterised as royleanone; 7α-hydroxyroyleanone; 7β-hydroxyroyleanone; 7α-acetoxyroyleanone and 7-oxoroyleanone.
