tert-butyl (2-(4-((2R,3R)-1-(4-fluorophenyl)-3-((2-(4-(methylthio)phenyl)-2-oxoethyl)thio)-4-oxoazetidin-2-yl)phenoxy)acetyl)glycyl-D-valinate

tert-butyl glycyl-D-valinate hydrochloride

N-[(4'-hydroxy-1,1'-biphenyl-4-yl)sulfonyl]-D-valine

(R)-2-[(Biphenyl-4-sulfonyl)-methyl-amino]-3-methyl-butyric acid tert-butyl ester

tert-butyl N-[(4'-hydroxy-1,1'-biphenyl-4-yl)sulfonyl]-D-valinate