上游原料
methyl (1R,2S,5S)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate(2R)-3,3-dimethyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acidmethyl (1R,2S,5S)-3-[(2S)-3,3-dimethyl-2-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]butanoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate(1R,2S,5S)-3-[(2S)-3,3-dimethyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid(S)-2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanenitrile methanesulfonate4-methylmorpholinetert-butyl N-[(2S)-1-[(1R,2S,5S)-2-[[(1S)-1-cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl]carbamoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-3-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate
