1 KZ8 ~{N}-[2-methoxy-5-(phenylsulfamoyl)phenyl]-2-(4-oxidanylidene-3~{H}-phthalazin-1-yl)ethanamide 1.000 2 KYZ ~{N}-[2-methoxy-5-(methylsulfamoyl)phenyl]-2-(4-oxidanylidene-3~{H}-phthalazin-1-yl)ethanamide 0.794