N-D-gluconoyl L-methionate N-(D-Glucos-1-yl)-L-methionine N-[(S)-1-Carboxy-3-(methylthio)propyl]-D-gluconamide N-D-Gluconoylmetionine (2S)-4-methylsulfanyl-2-[[(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoyl]amino]butanoic acid N-D-Gluconoyl-L-methionine