Chemical Name: 2-chlorodibenzo[b,f][1,4]oxazepin-11(10H)-one
Synonym: Glimepiride USP Related Compound G ; Glimepiride N-Methyl Ester Impurity ; Methyl [[4-[2-[[(3-ethyl-4-methyl-2-oxo-2,3-dihydro-1H-pyrrol-1-yl) carbonyl] amino] ethyl] phenyl] sulphonyl] methylcarbamat