Nine new germacranolides,sylvaticalides A−H(1-9),and three known analogues(10-12)were isolated from the aeri-al part of Vernonia sylvatica.Their structures were established using comprehensive spectroscopic analysis,i...
supported by the Drug Innovation Major Project of China(No.2018ZX09711001-001-005);the Biological Resources Programme(No.CAS KFJ-BRP-008)
A new sesquiterpenoid and two pregnane steroids,named vernobockolide C(1)and vernobockones A and B(2 and 3),respevtively,along with a known sesquiterpenoid,7,10-epoxy-11-hydroxy-bisabol-2-en-15-al,were isolated from t...