上游原料
tert-Butyl cyanoacetate; tert-butyl 2-cyanoacetate(2S)-2-(2-fluoro[1,1'-biphenyl]-4-yl)propionic acid 3-[(1S)-1-(2-fluoro[1,1'-biphenyl]-4-yl)ethyl]-5-isoxazolamine; 3-[(1S)-1-(2-fluoro[1,1'-biphenyl]-4-yl)ethyl]-5-isoxazolylamine4-Morpholinecarbonitrile; Morpholine-4-carbonitrile; N-Cyanomorpholine
