1 - (1-methyl) - 4 - 4 - (tetrahydro-2h-piran-4-iloxi) carbonil. Piperazina and its salts; crystal form of sa preparation process; drug synthesis; and use in the treatment or prevention of cognitive failure, fatigue or sleep disorders.

摘要

Compound 1 - (1-methylethane) - 4 - [4 - (tetrahydro-2h-piran-4-iloxi) carbonil]. Piperazina; crystalline form of the compound; preparation process; pharmaceutical composition of the compound; and use for treatment or prevention of cognitive failure or fatigue.