A compound having the formula: ##SPC1## Wherein R represents a hydrogen atom or a lower alkyl group, and X represents a halogen atom; or the acid-addition salt thereof having a distinctive neuroleptic activity.
[EN] HETEROCYCLIC COMPOUND, APPLICATION THEREOF, AND COMPOSITION CONTAINING SAME<br/>[FR] COMPOSÉ HÉTÉROCYCLIQUE, SON APPLICATION ET COMPOSITION LE CONTENANT<br/>[ZH] 一种含杂环的化合物、其应用及含其的组合物