2-[1-((S)-2-tert-Butoxycarbonylamino-2-carbamoyl-ethylamino)-2-tert-butylsulfanylcarbonyl-ethyl]-6-chloro-5-methyl-pyrimidine-4-carboxylic acid

Nα-((tert-butyloxy)carbonyl)-Nβ-<1-amino-3(R)-(6-amino-4-carboxy-5-methylpyrimidin-2-yl)propion-3-yl>-(S)-β-aminoalanine amide