. . . . . . . . . "D-Alanine"@en . . . . . . . . "338-69-2"@en . . . . "experimental"@en . . . . . . . . "Donald F. Reinhold, \"Process for preparing 3-fluoro-D-alanine and its deutero analogs.\" U.S. Patent US3976689, issued May, 1963."@en . . . . . . . . . . . . . . .