1 8OM (S)-3-methyl-2-(4'-(((4-oxo-4,5,6,7-tetrahydro-3h-cyclopenta[D]pyrimidin-2-yl)thio)methyl)-[1,1'-biphenyl]-4-ylsulfonamido)butanoic acid 1.000 2 8O7 N-(2-aminoethyl)-4'-(((4-oxo-4,5,6,7-tetrahydro-3h-cyclopenta[D]pyrimidin-2-yl)thio)methyl)-[1,1'-biphenyl]-4-sulfonami de 0.833