pyridine + thiamine => heteropyrithiamine + 5-(2-hydroxyethyl)-4-methylthiazole
pyridine + thiamine => heteropyrithiamine + 5-(2-hydroxyethyl)-4-methylthiazole
pyridine + thiamine => heteropyrithiamine + 5-(2-hydroxyethyl)-4-methylthiazole
pyridine + thiamine => heteropyrithiamine + 5-(2-hydroxyethyl)-4-methylthiazole