NEW RESOURCE PLANTS FOR CITRAL AND CINEOLE A study on chemical constituent of the essential oil from Leontopodium haplophylloides Studies on the chemical constituents of the volatiles of Clerodendron bungei Study on The Chemical Constituents from the Essential Oil of Cinnamomum tenuipilis Kosterm THE CHEMICAL CONSTITUENTS OF THE ESSENTIAL OILS FROM THE LEAVES OF CINNAMOMUM APPELIANUM AND CINNAMOMUM PAUCIFLORUM