FWNAAOBWGCASMX-UHFFFAOYSA-M;Thiamine EP Impurity B;Thiamine EP Impurity B HBr;Thiamine EP Impurity B Chloride HCl;Thiamine Impurity 2（Thiamine EP Impurity B）;Thiamine nitrate EP Impurity B;2’-Demethylthiamine Hydrochloride Salt;2'-Nor Thiamine Hydrochloride Salt
