| abstract |
Cyclic onium compounds reresented by the following structural formula (I), glucosidase inhibitors using such compounds, and antidiabetic drugs or food containing such glucosidase inhibitor. n nwherein A − is an aniom; m is an interger between 1 and 6, n is 0 or 1, X + is S + or N + Q (where Q is H or an alkyl of 1 to 4 carbon atoms). |