N-Acetyl-L-alanine

N-Acetyl-D-tryptophan

N-Acetyl-D-leucine

N-Acetyl-L-prolinamide

N-(9-Fluorenylmethoxycarbonyloxy)succinimide

O-(7-Azabenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate

D-Asparagine monohydrate

L-prolinamide

N-Boc-L-phenylalaninol

L-Allothreonine

Melatonin

L-Leucinol