N-Acetylvalin N2-Acetyl-L-glutamin Nα-Acetyl-DL-tryptophan 2-Acetamidopropionsure N-Acetyl-L-methionin N-Acetyl-L-isoleucin N-α-Acetyl-L-lysin Acetylcystein N-Acetyl-L-tryptophan Ethyl-N-acetyl-L-tyrosinat N-Acetyl-DL-methionin N-Acetyl-3-phenyl-L-alanin 1-Acetyl-L-prolin