—— |
(4S,5R,7R)-7-((S)-1,2-Diacetoxy-ethyl)-8-methyl-3-oxo-1,8-diaza-bicyclo[3.2.1]octane-4-carboxylic acid methyl ester |
186031-91-4 |
C15H22N2O7 |
342.349 |
—— |
Acetic acid (S)-2-acetoxy-1-((1R,10R)-5,5,12-trimethyl-3-oxo-4,6-dioxa-9,12-diaza-tricyclo[7.2.1.02,7]dodec-2(7)-en-10-yl)-ethyl ester |
186031-98-1 |
C17H24N2O7 |
368.387 |
—— |
(R)-3-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2-(2,2-dimethyl-6-oxo-6H-[1,3]dioxin-4-ylmethyl)-5-oxo-pyrazolidine-1-carboxylic acid methyl ester |
186031-96-9 |
C17H24N2O8 |
384.386 |
—— |
(R)-5-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-(2,2-dimethyl-6-oxo-6H-[1,3]dioxin-4-ylmethyl)-pyrazolidin-3-one |
186031-95-8 |
C15H22N2O6 |
326.349 |