In addition to the previously known compound, ydroxy-3,4-dehydroclerod
an-15,20-diacid-dilactone, two novel clerodane diterpenes have been is
olated from the aerial portions of Baccharis articulata, namely, -oxo-
ent-cleroda-3-en-15,18-diacid-16,19-dilactone and -7alpha,18-dihydroxy
-15-methoxy-ent-cleroda-3-ene.