—— |
(3S,4R)-3-<(1R)-(tert-butyldimethylsiloxy)ethyl>-4-<4-(p-nitrobenzyloxycarbonylamino)butyrylthio>azetidin-2-one |
81225-27-6 |
C23H35N3O7SSi |
525.698 |
—— |
methyl (3S,5R,6S)-6-<(1R)-(tert-butyldimethylsiloxy)ethyl>penicillanate |
81225-42-5 |
C17H31NO4SSi |
373.589 |
—— |
methyl (3S,5R,6S)-6-<(R)-1-hydroxyethyl>penicillanate |
76581-81-2 |
C11H17NO4S |
259.326 |
—— |
methyl 6-α-bromo-6-β-<(1R)-hydroxyethyl>penicillanate |
80629-46-5 |
C11H16BrNO4S |
338.222 |
—— |
(3R,4R)-4-acetoxy-3-<(1R)-(tert-butyldimethylsiloxy)ethyl>-1-(1-methoxycarbonyl-2-methylpropen-1-yl)-azetidin-2-one |
78963-50-5 |
C19H33NO6Si |
399.56 |