The present invention relates to a compound of formula (I), an optical isomer or a pharmaceutically acceptable salt thereof, its preparation and uses, wherein R is defined as herein. Such compounds can be presented as an optical isomer or a racemic mixture. The compounds can be metabolized in vivo to form a pharmacologically active substance as antagonist of neurotransmitters, and can be used for the treatment of the related mental disorders such as schizophrenia.
本发明涉及化合物(I)、其光学异构体或其药学上可接受的盐、其制备和用途,其中R的定义如本文所述。此类化合物可以呈现为光学异构体或混合物。这些化合物可以在体内代谢成为神经递质
拮抗剂的药理活性物质,可用于治疗相关的精神障碍,如精神分裂症。