Artemisinin (pronounced ) is a drug used to treat multi-drug resistant strains of falciparum malaria. The compound (a sesquiterpene lactone) is isolated from the shrub Artemisia annua long used in traditional Chinese medicine. Not all shrubs of this species contain artemisinin. Apparently it is only produced when the plant is subjected to certain conditions, most likely biotic or abiotic stress. It can be synthesized from artemisinic acid.
Phenylephrine Hydrochloride
Colchicine is a highly poisonous natural product and secondary metabolite, originally extracted from plants of the genus Colchicum (Autumn crocus, Colchicum autumnale, also known as the "Meadow saffron"). Originally used to treat rheumatic complaints and especially gout, it was also prescribed for its cathartic and emetic effects. Its present medicinal use is mainly in the treatment of gout; as well, it is being investigated for its potential use as an anti-cancer drug. It can also be used as initial treatment for pericarditis and preventing recurrences of the condition. In neurons, axoplasmic transport is disrupted by colchicine.
Propyphenazone or Isopropylantipyrine (C14H18N2O, 1,2-dihydro-1,5-dimethyl-4-(isopropyl)-2-phenyl-pyrazol-3-one) is a derivative of phenazone with similar analgesic and antipyretic effects.
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