cas no:n/a||chemical formula:c21h20n4o5s||molecular weight:440.47400||exact mass:440.11544||benzhydryl (2s,3s)-3-(azidomethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4,4-dioxide
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