3-[(2R)-2-amino-2-phenylethyl]-1-[(2,6-difluorophenyl)methyl]-6-methyl-5-[4-(phenoxy)phenyl]pyrimidine-2,4-dione 3-[(2R)-2-amino-2-phenyl-ethyl]-1-[(2,6-difluorophenyl)methyl]-6-methyl-5-[4-(phenoxy)phenyl]pyrimidine-2,4-dione 3-[(2R)-2-amino-2-phenyl-ethyl]-1-(2,6-difluorobenzyl)-6-methyl-5-[4-(phenoxy)phenyl]pyrimidine-2,4-quinone