13471-78-8 20166-17-0 3-((4-Amino-2-methyl-5-pyrimidinyl)methyl)-5-(2-chloroethyl)-4-methylthiazolium chloride 5-beta-Chlorethylthiamine Beclotiamina [INN-Spanish] Beclotiamine Beclotiamine [INN] Beclotiaminum [INN-Latin] Chlorethylthiamine Thiazolium, 3-((4-amino-2-methyl-5-pyrimidinyl)methyl)-5-(2-chloroethyl)-4-methyl-, chloride