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4-Ethyl-2,3-dioxo-1-piperazinecarbonylchloride
59703-00-3
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C7H9ClN2O3
100¡ÆC
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JTC EDPCl  -  Shanxi xintianyuan pharm.&chem.co.,ltd.
Intermediates of cefoperazone and piperacillin