D-Serinemethylesterhydrochloride5874-57-7D-Serineethylesterhydrochloride104055-46-1L-Serinemethylesterhydrochloride5680-80-8L-Serineethylesterhydrochloride26348-61-8DL-Serinemethylesterhydrochloride5619-04-5L-Serineethylesterhydrochloride3940-27-0D-Leucinemethylesterhydrochloride5845-53-4D-Phenylalaninemethylesterhydrochloride13033-84-6D-Cysteine,methylester70361-61-4D-Alaninemethylesterhydrochloride14316-06-4D-Alanineethylesterhydocchloride6331-09-5L-Phenylalaninamide5241-58-7L-Leucinamidehydrochloride10466-61-2)