((2S,3R,5R)-2-({[(4-Methoxy-phenyl)-diphenyl-methyl]-amino}-methyl)-5-{5-methyl-4-[1-methyl-pyrrolidin-(2E)-ylideneamino]-2-oxo-2H-pyrimidin-1-yl}-tetrahydro-furan-3-yl)-acetic acid methyl ester

((2S,3R,5R)-2-({[(4-Methoxy-phenyl)-diphenyl-methyl]-amino}-methyl)-5-{5-methyl-4-[1-methyl-pyrrolidin-(2E)-ylideneamino]-2-oxo-2H-pyrimidin-1-yl}-tetrahydro-furan-3-yl)-acetic acid

((2S,3R,5R)-2-Azidomethyl-5-{5-methyl-4-[1-methyl-pyrrolidin-(2E)-ylideneamino]-2-oxo-2H-pyrimidin-1-yl}-tetrahydro-furan-3-yl)-acetic acid methyl ester