Imidazolium salts useful as hypoglycemic agents

Abstract From the Canadian patent

X-6502, Abstract, The invention relates to imidazolium salts which are effective in lowering blood glucose levels in mammals. In particular, there is provided a compound of Formula (I) which is useful in lowering blood glucose levels:, (I), in which:, R1 is C1-C4 alkyl; R2 and R3, independently, are hydrogen or C1-C4 alkyl;, each R4, independently is, -OR5 -NR6R7, C1-C4, alkyl, C1-C4 alkoxy, trifluoromethyl or C1-C4 alkylthio;, R5 is hydrogen or ;, R6 is hydrogen, C1-C4 alkyl, or , ; R7 is hydrogen or C1-C4 alkyl;, each R8 independently, is C1-C4 alkyl or phenyl; Z is oxygen or sulfur;, X is a therapeutically acceptable anion; and m is 0, 1 or 2.