1981-20-0 4-(Aminosulfonyl)phenyl diethyl phosphate AC 23697 American cyanamid CL-23697 BRN 2161909 Benzenesulfonamide, p-hydroxy-, diethyl phosphate CL-23697 Diethyl p-sulfamoylphenyl phosphate ENT 25,638 O,O-Diethyl O-(p-sulfamoylphenyl) phosphate Phosphoric acid, 4-(aminosulfonyl)phenyl diethyl ester Phosphoric acid, diethyl ester, ester with p-hydroxybenzenesulfonamide