2-Methyl-3-amino-4-mercaptomethyl-5-aminomethyl-pyridin [German] 3,5-Diamino-4-mercapto-pyridoxin [German] 5-22-11-00462 (Beilstein Handbook Reference) 78218-50-5 BRN 0390266 Pyridine, 3-amino-5-aminomethyl-4-mercaptomethyl-2-methyl-