An examination of the relative hypoglycemic potencies revealed that, among all the tested substances, only 1 was found to display an activity of some interest. This compound was then tested also orally in fasting rabbits as well as in normally fed rats and rabbits; the values for relative potency were 0.63, 0.85, and 0.41, respectively. From these findings, the conclusion may be drawn that 1 [1-(3-methyl-2-butenyl)-3-ptolylsulfonylurea] possesses ...