(N'-Methyl-N'-4-diazonium phenyl)(N-8-octanoic acid, 2-(trimethylammonium)ethyl ester)urea 123252-23-3 AC7 Bromide Benzenediazonium, 4-(methyl(((8-oxo-8-(2-(trimethylammonio)ethoxy)octyl)amino)carbonyl)amino)-