(r)-2-[(3s,4s)-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]-2-oxoazetidin-4-yl]propionic acid

医药中间体

(4-nitrophenyl)methyl (4R,5R,6S)-3-[(diphenoxyphosphoryl)oxy]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

医药中间体

(R)-4-Nitrobenzyl 2-diazo-4-((2R,3S)-3-((R)-1-hydroxyethyl)-4-oxoazetidin-2-yl)-3-oxopentanoate

医药中间体

1,1-Dimethylethyl (3R,4S)-4-amino-3-fluoro-1-piperidinecarboxylate

医药中间体

TERT-BUTYL (3S,4R)-4-AMINO-3-FLUOROPIPERIDINE-1-CARBOXYLATE

医药中间体

Tert-butyl (3S,4S)-4-amino-3-fluoropiperidine-1-carboxylate

医药中间体