3-[(2R)-2-amino-2-phenylethyl]-1-[(2-chloro-6-fluorophenyl)methyl]-5-(2-fluorophenyl)-6-methylpyrimidine-2,4-dione 3-[(2R)-2-amino-2-phenyl-ethyl]-1-[(2-chloro-6-fluoro-phenyl)methyl]-5-(2-fluorophenyl)-6-methyl-pyrimidine-2,4-dione 3-[(2R)-2-amino-2-phenyl-ethyl]-1-(2-chloro-6-fluoro-benzyl)-5-(2-fluorophenyl)-6-methyl-pyrimidine-2,4-quinone