3-Ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide54016-70-5100 % similar 3-Benzyl-5-(2-hydroxyethyl)-4-methylthiazolium chloride4568-71-253 % similar 3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium70-16-645 % similar Vitamin B159-43-843 % similar Thiamine hydrochloride67-03-841 % similar Thiamine nitrate532-43-439 % similar 4-Methyl-5-(2-hydroxyethyl)thiazole137-00-836 % similar