3-[4-(1(S)-t-butyldimethylsilyloxymethyl-2,2-dimethylpropylcarbamoyl)-2-benzyloxycarbonylphenyl]-6-methoxy-2-pyridinecarboxylic acid

3-(2-(tert-butoxycarbonyl)-4-(neopentylcarbamoyl)phenyl)-6-hydroxypicolinic acid