Cas Database
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penicillin G 1-oxide
N,N'-diisopropylhydrazine
(6R)-3c-methyl-8-oxo-7t-(2-phenyl-acetylamino)-3t-(toluene-4-sulfonyl)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2c-carboxylic acid N,N'-diisopropyl-hydrazide
3-methyl-7β-phenylacetamidoceph-3-em-4-carboxylic acid methyl ester
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