(2S)-2-acetamido-5-aminopentanoic acid (2S)-2-acetamido-5-amino-pentanoic acid (2S)-2-acetamido-5-amino-valeric acid CHEBI:16543 N(2)-acetyl-L-ornithine AOR N~2~-ACETYL-L-ORNITHINE C00437 (2S)-2-acetamido-5-azaniumylpentanoate (2S)-2-acetamido-5-azaniumyl-pentanoate (2S)-2-acetamido-5-ammoniopentanoate (2S)-2-acetamido-5-ammonio-valerate ZINC01532657