6-Methyl-N-[2-(4-sulfamoylphenyl)ethyl]pyrazine-2-carboxamide ; N-Des(cyclohexylaminocarbonyl) Glipizide; N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-6-methyl-2-pyrazinecarboxamide; (6-Methyl-N-[2-(4-sulphamoylphenyl)ethyl]pyrazine-2-carboxamide); Glipizide Related Compound B (USP);