1,2-丁二醇

(S)-2-Hydroxy-N-methyl-butyramide

(3aR,4R,7S,7aS)-2-(1-(methoxymethoxy)propyl)-7,8,8-trimethyl-3a,4,5,6,7,7a-hexahydro-4,7-methanobenzo[d]oxazole

ethyl (2S)-2-acetyloxybutanoate

(S)-2-(((S)-2-amino-3-methylbutanoyl)oxy)butanoic acid