From the aerial parts of Salvia yosgadensis we have obtained two new s
esterterpenes, yosgadensolide A (6 ha,14-dihydroxymanoyloxide-15,17-di
en-16,19-olide) and yosgadensolide B (6 ha,16-dihydroxymanoyloxide-14,
17-dien-16,19-olide) and their epimers. In addition, a known sesquiter
pene, three known sesquiterpene lactones, eight known flavonoids and t
wo known aromatics were isolated.