The present invention provides compounds of the formula
wherein
R
1
is selected from the group consisting of H and CH
3
;
R
2
is selected from the group con+sisting of H and CH
3
;
R
3
is selected from the group consisting of H, C
1
-C
3
alkyl, O(CH
2
)
3
SO
2
CH
3
, O(CH
2
)
2
OCH
3
, O(CH
2
)
2
C(CH
3
)
2
OH, CN, and OCF
2
;
or a pharmaceutical salt thereof, methods of treating diabetes, intermediates, and a process for preparing compounds of the invention.
本发明提供了以下公式的化合物:
其中
R1选自H和
CH3组成的群;
R2选自H和 组成的群;
R3选自H、C1-C3烷基、O(
CH2)3SO2 、O( )2O 、O( )2C( )2OH、CN和O
CF2组成的群;
或其药用盐,治疗糖尿病的方法,中间体和制备本发明化合物的方法。