—— |
2,2-dimethylpropanoyloxymethyl 2-[(2R,3R)-2-(2-chloroacetyl)sulfanyl-4-oxo-3-(2-oxopropyl)azetidin-1-yl]-3-methylbut-2-enoate |
164033-51-6 |
C19H26ClNO7S |
447.937 |
—— |
[2-[(2R,3R)-2-(2-chloroacetyl)sulfanyl-4-oxo-3-(2-oxopropyl)azetidin-1-yl]-2-oxoacetyl]oxymethyl 2,2-dimethylpropanoate |
164033-63-0 |
C16H20ClNO8S |
421.856 |
—— |
Pivaloyloxymethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-oxo-propyl)-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylate |
87996-68-7 |
C17H25NO6S |
371.455 |
—— |
pivaloyloxy 6-oxopenicillanate |
77819-78-4 |
C14H19NO6S |
329.374 |
[(2,2-二甲基丙烷酰基)氧基]甲基6-氨基-3,3-二甲基-7-氧代-4-硫杂-1-氮杂双环[3.2.0]庚烷-2-羧酸酯 |
(pivaloyloxy)methyl 6β-aminopenicillate |
25031-08-7 |
C14H22N2O5S |
330.405 |