abstract |
Agents for lowering glucose levels in blood having the formula: <IMAGE> I wherein each R, independently, is hydrogen, C1-6 alkylcarbonyl or a group of the formula <IMAGE> where R1 is hydrogen, C1-4 alkyl, C1-4-alkoxy, halo or trifluoromethyl, and R2 is hydrogen, C1-3 alkyl, C1-3 alkoxy or halo, with the proviso that when one R is hydrogen, the other R is not hydrogen. |