(R)-3-[N-(5'-chloro-2'-fluorobiphenyl-4-methyl)-N'-oxalylhydrazino]-2-hydroxypropionic acid ethoxycarbonyloxymethyl ester

butyric acid (R)-3-[N-(5'-chloro-2'-fluorobiphenyl-4-ylmethyl)-N'oxalylhydrazino]-2-hydroxypropionyloxymethyl ester

(R)-3-[N-(5'-chloro-2'-fluorobiphenyl-4-ylmethyl)-N'-oxalylhydrazino]-2-hydroxypropionic acid acetoxymethyl ester

((ethoxycarbonyl)oxy)methyl (R)-3-(2-(2-(tert-butoxy)-2-oxoacetyl)-1-((5'-chloro-2'-fluoro-[1,1'-biphenyl]-4-yl)methyl)hydrazineyl)-2-hydroxypropanoate

(R)-((3-(2-(2-(tert-butoxy)-2-oxoacetyl)-1-((5'-chloro-2'-fluoro-[1,1'-biphenyl]-4-yl)methyl)hydrazineyl)-2-hydroxypropanoyl)oxy)methyl butyrate