Word: penicilla
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...general method, as in most syntheses, was to break down natural penicillin-G into simpler compounds which could be made artificially, then try to make these combine into penicillin. Dr. du Vigneaud and his associates started (as others had before them) with two decomposition products-dextro-penicilla-mine hydrochloride and 2-benzyl-4-meth-oxymethylene-5(4)-oxazolone. Over & over again they made them combine under different conditions...
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