27455-35-2 4'-(Amidinosulfamoyl)-6-chloro-4-oxo-4H-1-benzopyran-2-carboxanilide 4H-1-BENZOPYRAN-2-CARBOXANILIDE, 4'-(AMIDINOSULFAMOYL)-6-CHLORO-4-OXO- 4H-1-Benzopyran-2-carboxamide, N-(4-(((aminoiminomethyl)amino)sulfonyl)phenyl)-6-chloro-4-oxo- 5-18-08-00317 (Beilstein Handbook Reference) BRN 1409782