(1R,2S,5S)-tert-butyl 2-(4-amino-1-cyclobutyl-3-hydroxy-4-oxobutan-2-ylcarbamoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-3-carboxylate

3-氨基-3-环丁基甲基-2-羟基丙酰胺