(2S)-2-amino-3-methylaminopropanoic acid (2S)-2-amino-3-methylamino-propanoic acid (2S)-2-amino-3-methylamino-propionic acid 15920-93-1 3-Methylamino-L-alanine C08291 3-(Methylamino)-L-alanine L-Alanine, 3-(methylamino)-