L-Methylmethionine sulfonium

(S)-2-Amino-4-(dimethylsulfonio)butanoic acid

Dimethyl[(S)-3-amino-3-carboxypropyl]sulfonium

[(S)-3-Amino-3-carboxypropyl]dimethylsulfonium

[(3S)-4-Oxo-4-hydroxy-3-aminobutyl]dimethylsulfonium