Imidazoleacetic acid hydrochloride3251-69-243 % similar Histidylglycine2578-58-740 % similar Histamine51-45-639 % similar Phenylalaninol16088-07-638 % similar L-Phenylalaninol3182-95-438 % similar D-Phenylalaninol5267-64-138 % similar Alpha-methyl-dl-histidine dihydrochloride32381-18-338 % similar L-Tryptophanol2899-29-837 % similar D-Tryptophanol52485-52-637 % similar 1H-Imidazole-5-acetic acid645-65-836 % similar N-Acetyl-L-histidine2497-02-135 % similar Carnosine305-84-035 % similar Beta-alanylhistidine9001-99-435 % similar 4(5)-Cyanomethylimidazole18502-05-135 % similar Histamine diphosphate51-74-135 % similar Detomidine hydrochloride90038-01-035 % similar Serinol534-03-234 % similar N-Acetylhistidine monohydrate39145-52-333 % similar N-Benzoyl-L-histidine5354-94-933 % similar Acetyl tetrapeptide-5820959-17-933 % similar