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cas no:n/a||chemical formula:c13h19n3o3s||molecular weight:297.373||exact mass:297.11471||(6r,7r)-7-amino-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia……

cas no:780810-20-0||chemical formula:c13h20cln3o3s ||molecular weight:333.83100||exact mass:333.09139 ||(6r,7r)-7-amino-3-((1-methylpyrrolidin-1-ium-1-yl)methyl……

cas no:112533-07-0||chemical formula:c13h19n3o3s||molecular weight:297.373||exact mass:297.11471||(6r,7r)-7-amino-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-ox……