Glimepiride EP Impurity D ; Glimepiride USP RC D; Glimepiride meta Isomer ; Glimepiride 3-Isomer

Glimepiride EP Impurity D ; Glimepiride USP RC D; Glimepiride meta Isomer ; Glimepiride 3-Isomer

1-[[m-[2-(3-Ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido) ethyl]phenyl]sulfonyl]-3-(trans-4-methylcyclohexyl)urea

Impurity reference standard used for related substances testing of Glimepiride drug substance and drug product per pharmacopoeial limits.