A class of broad-spectrum antibiotics that are structurally similar to penicillins and cephalosporins, but with a broader spectrum of antimicrobial activity.
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rac-<2R,3S(R)>-2-<3-<(chloroacetyl)oxy>-2-oxopropyl>-3-<1-<<(2,2,2-trichloroethoxy)carbonyl>oxy>ethyl>-4-oxo-α-(triphenylphosphoranylidene)azetidine-1-acetic acid (2,2-dimethyl-1-oxopropoxy)methyl ester
3-Pyrazolidinone,4-(1-hydroxyethyl)-,(R*,R*)-(9CI)
(2R,3R,5S)-3-Methyl-4,7-dioxo-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester
(3R,2'S) N-(p-Methoxybenzyl)-3-(3'-acetoxy-2'-tert-butyldimethylylsiloxypropyl)-isoxazolidin-5-one
(2S,3R)-2-(tert-Butyl-dimethyl-silanyloxymethyl)-3-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-1-(toluene-4-sulfonyl)-aziridine
Hexanoic acid, 6-[[[(4-nitrophenyl)methoxy]carbonyl]amino]-
