For the preparation of Myrrh Resinoid and other perfumery materials, it is essential that the starting material, the crude botanical, be selected for the purpose, it must be of the highest olfactory value. Not only must it be the beerabol myrrh, but it should be free from odorless, foreign resins, etc. Commercial myrrh contains various amounts of bisabol myrrh which today is called Opopanax, but since the latter is considered more valuable, the bisabol myrrh is usually distinguished from the true myrrh. The two raw materials have distinctly different odor characteristics. tobacco note - coumarin and myrrh resinoid.