Abstract: A connector for connecting at a proximal end of the connector along a connection direction includes a contact section adapted to fix at least one contact element, a base section, and an arm extending from the base section substantially along the connection direction, wherein the arm includes at least one securing element for securing the connector against the connection direction, and wherein the base section is located closer to a distal end of the connector than the contact section, the distal end being opposite to the proximal end along the connection direction. A connection assembly includes the connector and a mating connector. A connection group includes the connection assembly and a bulkhead that receives the connection assembly.

Abstract: The present invention relates to an aromatic compound and a preparation method therefor and the use thereof. Specifically, disclosed are a compound as shown in the following general formula (I), or a tautomer, an enantiomer, a diastereomer or a racemate thereof or a mixture thereof, or a pharmaceutically acceptable salt thereof. Also disclosed are a method for preparing the above compound and the use of same in the treatment of nervous system diseases.