N-(3',4'-Dichloro[1,1'-biphenyl]-4-yl)-4-hydroxy-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide

This compound is a synthetic organic molecule featuring a benzothiazine core with a dichlorobiphenyl substituent and amide and hydroxyl functional groups. It is identified as an impurity reference standard associated with the pharmaceutical ingredient alprostadil.