(2S)-2-[[(2S,3R)-2-azaniumyl-3-hydroxybutanoyl]amino]-4-methylsulfanylbutanoate (2S)-2-[[(2S,3R)-2-azaniumyl-3-hydroxy-butanoyl]amino]-4-methylsulfanyl-butanoate (2S)-2-[[(2S,3R)-2-ammonio-3-hydroxy-1-oxobutyl]amino]-4-(methylthio)butanoate (2S)-2-[[(2S,3R)-2-ammonio-3-hydroxy-butanoyl]amino]-4-(methylthio)butyrate ZINC02561114