A New Highly Oxygenated Pseudoguaianolide from a Collection of the Flowers of Parthenium hysterophorus

A New Highly Oxygenated Pseudoguaianolide from a Collection of the Flowers of Parthenium hysterophorus Anti-HCV Bioactivity of Pseudoguaianolides from <i>Parthenium hispitum</i> Germacranolides from Anvillea radiata Two pregnane ester glycosides from Pergularia pallida Petiolins J–M, prenylated acylphloroglucinols from Hypericum pseudopetiolatum var. kiusianum Pseudoguaiane-type sesquiterpenes and inhibitors on nitric oxide production from Dichrocephala integrifolia Constituents of Michelia rajaniana. Two New Germacranolide Amides Constituents of Michelia rajaniana. Two New Germacranolide Amides Egostanoids from Petunia inflata Pyridine Alkaloids From A Parthenium Hybrid