(+-)-2-Aminopropionic acid (+-)-Alanine (R,S)-Alanine (RS)-2-Aminopropionsaeure 302-72-7 AI3-08908 Alanine Alanine, DL- D,L-Alanine DL-2-Aminopropanoic acid DL-2-Aminopropionic acid DL-ALANINE DL-alpha-Alanine DL-alpha-Aminopropionic acid EINECS 206-126-4 NSC 7602