(3R,6S)-3-(2-benzylthioethyl)-6-isopropyl-2,5-dimethoxy-3-methyl-3,6-dihydropyrazine

(2R,5R)-2-(t-Butyl)-5-ethyl-3,5-dimethyl-4-oxo-1-imidazolidincarbonsaeure-t-butylester

N-benzoyl-D-isovaline-methylamide

4-ethyl-4-methyl-2-phenyl-4H-oxazol-5-one

2,2,2-trichloro-N-(2-methyl-1-oxobutan-2-yl)acetamide