Thiamine disulfide67-16-3100 % similar Prosultiamine59-58-583 % similar Fursultiamine804-30-874 % similar Sulbutiamine3286-46-268 % similar Benfotiamine22457-89-255 % similar Toxopyrimidine73-67-644 % similar 3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium70-16-639 % similar 4-Amino-2-methyl-5-pyrimidinemethanamine95-02-339 % similar Vitamin B159-43-838 % similar Nimustine42471-28-337 % similar 1-(4-Amino-2-methylpyrimidin-5-yl)methyl-3-(2-chloroethyl)-3-nitrosourea hydrochloride55661-38-636 % similar