英文别名N-(4-chlorophenyl)guanidine; N-(4-chloro-phenyl)guanidine; (4-Chlor-phenyl)-guanidin; p-Chlorophenylguanidine; (4-chloro-phenyl)-guanidine; Guanidine, N-(4-chlorophenyl)-; Chlorhexidine Dihydrochloride impurity E; Chlorhexidine Impurity 5 (Chlorhexidine Digluconate EP Impurity E); Chlorhexidine EP Impurity E; Chlorhexidine EP Impurity2 
