IUPAC:(2R)-2-[({5-[4-(dimethylsulfamoyl)phenyl]-8-methyl-2-oxo-1H,2H,3H,6H,7H,8H,9H-pyrrolo[3,2-h]isoquinolin-3-ylidene}amino)oxy]-4-hydroxybutanoic acid
IUPAC:(2R)-2-[({5-[4-(dimethylsulfamoyl)phenyl]-8-methyl-2-oxo-1H,2H,3H,6H,7H,8H,9H-pyrrolo[3,2-h]isoquinolin-3-ylidene}amino)oxy]-4-hydroxybutanoic acid