Histamine dihydrochloride
2-imidazol-4-ylethylamine dihydrochloride; Histamine-alpha,alpha,??d4?HCl)2; HISTAMINE DICHLORHYDRATE; histamine dihcl; 2-(1H-Imidazol-4-yl)ethylamine dihydrochloride; 2-(4-Imidazolyl)ethylamine dihydrochloride; 2-(1H-imidazol-5-yl)ethanamine hydrochloride (1:1); 1H-imidazole-4-ethanamine, chloride (1:1)