申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US04892872A1
公开(公告)日:1990-01-09
Benzoxazine compounds of the formula: ##STR1## wherein each symbol is as defined in the specification. The compounds exhibit 5-HT.sub.3 receptor antagonistic activity so that they are useful as antiemetics and so on.
苯并噁嗪化合物,其通式为:##STR1## 其中每个符号的定义如说明书中所述。这些化合物表现出5-HT3受体拮抗活性,因此它们可作为止吐药等用途。