Synonyms: Guanidine,[[p-chloro-a-(p-chlorophenyl)-g-methylcinnamylidene]amino]-,monohydrochloride (8CI); Hydrazinecarboximidamide,2-[1,3-bis(4-chlorophenyl)-2-butenylidene]-, monohydrochloride (9CI); Chalcone,4,4'-dichloro-b-methyl-,amidinohydrazone monohydrochloride; 1,3-Bis(4-chlorophenyl)-2-butenoneguanylhydrazone hydrochloride; WR 91,808 hydrochloride