Carnosin (R)-Piperidin-2-carbonsure Ampicillin N-γ-L-Glutamyl-L-glutaminsure Piperidin-2-ylmethanol N-[N-(N-Benzoylglycyl)-L-histidyl]-L-leucin 2,2'-(Propan-1,3-diyldiimino)bis[2-(hydroxymethyl)propan-1,3-diol] Ethyl-1-methylpiperidin-2-carboxylat L-Leucyl-L-alaninhydrat Aspartam Bicucullin 6-Aminopenicillansure Actinomycin D Ethylpiperidin-2-carboxylat 7-Hydroxy-8-methylazabicyclo[3.2.1]octan-3-on Valinomycin N-L-γ-Glutamyl-3-phenyl-L-alanin N-Acetyl-N-L-alanyl-N-L-alanyl-L-alanin