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Crystalline 1R,5S,6S,8R-1-methyl-2-(N,N-dimethylcarbamimidoylmethylthio)-6-(1-hydrox yethyl)-1-carbapen-2-em-3-carboxylic acid

US Patent 4748238 · Granted May 31, 1988

Estimated economic value: $26,657,000

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