—— |
(3R,4R)-4-{(1S)-1-ethoxycarbonylethoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-2-methylprop-1-enyl)-azetidin-2-one |
90211-50-0 |
C33H34N2O7 |
570.642 |
—— |
(3R,4R)-4-{(1R)-1-ethoxycarbonylethoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-2-methylprop-1-enyl)azetidin-2-one |
90244-12-5 |
C33H34N2O7 |
570.642 |
—— |
benzhydryl 2-[(2R,3R)-3-benzamido-2-[(2R)-4-(1-methyltetrazol-5-yl)sulfanyl-3-oxobutan-2-yl]oxy-4-oxoazetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate |
90318-96-0 |
C49H43N6O6PS |
874.957 |
—— |
(3R,4R)-4-{(1R)-3-diazo-2-oxo-1-methylpropoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-triphenylphosphoranylidenemethyl)azetidin-2-one |
90211-56-6 |
C47H39N4O6P |
786.824 |
—— |
[(2R,3R)-3-Benzoylamino-2-((S)-2-ethoxycarbonyloxy-1-methyl-2-oxo-ethoxy)-4-oxo-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid benzhydryl ester |
130675-27-3 |
C49H43N2O9P |
834.862 |
—— |
(3R,4R)-4-{(1R)-1-ethoxycarbonylethoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-triphenylphosphoranylidenemethyl)azetidin-2-one |
90211-53-3 |
C48H43N2O7P |
790.852 |
—— |
(3R,4R)-4-{(1R)-1-carboxyethoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-triphenylphosphoranylidenemethyl)azetidin-2-one |
90211-54-4 |
C46H39N2O7P |
762.799 |
—— |
(3R,4R)-4-{(1S)-1-ethoxycarbonylethoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-hydroxymethyl)-azetidin-2-one |
90211-51-1 |
C30H30N2O8 |
546.577 |
—— |
(3R,4R)-4-{(1R)-1-ethoxycarbonylethoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-chloromethyl}azetidin-2-one |
90211-52-2 |
C30H29ClN2O7 |
565.022 |