C66H81N7O14Si
C51H71N7O12Si
(S)-3-[(1R,2S)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methoxycarbonyl-propylcarbamoyl]-2-((R)-2-methylamino-propionyl)-tetrahydro-pyridazine-1-carboxylic acid benzyl ester
(3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-O-<(tert-butyldimethylsilyl)oxy>propyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one
(3S,4S)-1-<1(R)-(methoxycarbonyl)-2(S)-O-<(tert-butyldimethylsilyl)oxy>propyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one