Creosote that creosote contained a mixture of creosol and guaiacol. Later investigations by Gorup-Besanez, A.E. Hoffmann, and Siegfried Marasse showed that wood-tar creosote also contained phenols, giving it a feature in common with coal-tar creosote. Historically, coal-tar creosote has been distinguished from what was thought of as creosote proper—the original substance of Reichenbach's discovery—and it has been referred to specifically as "creosote oil". But, because creosote from coal-tar and wood-tar are obtained from a similar process and have some common uses, they have also been placed in the same class of substances, with the terms "creosote" or "creosote oil" referring to
Medicine in Azerbaijan were used as medicine for treatment of rheumatism, fever and prophylactics of various illnesses, were found out in Garakepektepe village of Mugan plain during archeological excavations. Aromatherapy was also broadly spread. It was believed that smell of a quince strengthens body’s energy. Lemon was used for adjusting of nervous system, and apple for stimulation of brain’s work. In ancient times there was an active cultural interchange between Azerbaijanis and residents of Mesopotamia. Sesame oil and crocus were imported from Sumer. There is information about medicinal drugs and medicine in Avesta, a sacred book of fire worshippers and the ancient monument