Two new eremophilenolides, 1β-hydroxy-2β-methylsenecioyloxyeremophil-7 (11)-en8β (12)-olide (1), 1β-hydroxy-2β-methylsenecioyloxy-8a-methoxyeremophil-7 (11
Macroporous cross-linking chitosan layer coated on silica gel (CTS-SiO2) was prepared by phase inversion and polyethylene glycol (PEG) molecular imprinting meth
A novel pentacyclic triterpenoid, petatrichol B, was isolated from the rhizome of Petasites tricholobus. Its structure was established by means of spectroscopic