The present invention relates to novel compounds and their use in fragrance compositions. The method includes obtaining a medication order including identification of a medication and a property associated with the medication, where the medication order is associated with a patient. Such a perpendicular magnetic recording medium exhibits excellent magnetic characteristics even when the thickness of the underlayer or the total thickness of the underlayer and the seed layer is very thin. Also disclosed are such autonomous decision systems constructed and arranged to interact sociably with humans, including the use of natural languages and bonding.