Metadoxine74536-44-0100 % similar Pyridoxine65-23-656 % similar Pyroglutamic acid149-87-148 % similar (+)-Pyroglutamic acid4042-36-848 % similar L-Pyroglutamic acid98-79-348 % similar Pyritinol1098-97-146 % similar Pyritinol hydrochloride10049-83-944 % similar 4-(Aminomethyl)-5-hydroxy-6-methyl-3-pyridinemethanol dihydrochloride524-36-744 % similar 6-Oxo-2-piperidinecarboxylic acid3770-22-740 % similar 4-Deoxypyridoxine148-51-639 % similar 2-Methyl-3-hydroxy-4-formyl-5-hydroxymethylpyridine hydrochloride65-22-538 % similar Zinc pca15454-75-837 % similar Anserine584-85-036 % similar Glycyl-L-glutamic acid7412-78-436 % similar Phenylacetylglutamine28047-15-635 % similar Glycyl-L-glutamine13115-71-434 % similar Pidotimod121808-62-634 % similar Nooglutyl112193-35-834 % similar Carnosine305-84-034 % similar Acetylcarnosine56353-15-234 % similar