Alumina Aspergillus eclrinulatus Bicarbonate Calliphyllin Careaborin Chemical Constituents Chromatography Cross Dendrobium fimbriatum and Cymbidium uloifolium Derivatives Evaporation Hydroxy Leaves of Callicarpa One-pot Orchidaceae plants Petroleum Randia longiflora Randilongin Reactions of 4-hydroxycoumarin Rhus parviflora Stereochemistry Terpenoids The possible transformations of the tautomeric forms acetylacetonc leads to the fonnation of a novel bicyclo compound isolation macrophylla polarities pyran reactions synthesis temperature