Aliphatic chain compounds include aliphatic compounds and chain compounds containing other elements or groups. Aliphatic hydrocarbons are hydrocarbons with the basic properties of aliphatic compounds. In aliphatic compounds, carbon atoms are arranged in straight chain, branched chain or cyclic, which are respectively called straight chain aliphatic hydrocarbons, branched chain aliphatic hydrocarbons and alicyclic hydrocarbons. Some cyclic hydrocarbons are different in nature from aromatic hydrocarbons, and are very similar to aliphatic hydrocarbons. Such cyclic hydrocarbons are called alicyclic hydrocarbons. In this way, aliphatic hydrocarbons become a general term for all hydrocarbons except aromatic hydrocarbons. Aliphatic hydrocarbons and their derivatives (including halogenated hydrocarbons) and alicyclic hydrocarbons and their derivatives are collectively referred to as aliphatic compounds.
The novel medication for the treatment of adults with major depressive disorder (MDD), Gepirone has eventually been approved by the FDA in late September following a long quest. Geprione belongs to the azapirone group, as the same class as buspirone. Gepirone acts as a full agonist at serotonin 5-HT1A autoreceptors and is generally, a partial agonist at postsynaptic serotonin 5-HT1A receptors. Gepirone has a unique antidepressant effect that relieves depressive symptoms without significant side effects.
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