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cas no:82547-81-7||chemical formula:c22h27n9o7s2||molecular weight:593.63400||exact mass:593.14749||(pivaloyloxy)methyl(6r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(me……

cas no:n/a||chemical formula:c22h27n9o8s2||molecular weight:609.63300||exact mass:609.14240||(6r,7r)-(pivaloyloxy)methyl 7-((z)-2-(2-aminothiazol-4-yl)-2-(metho……

cas no:n/a||chemical formula:c22h27n9o7s­2||molecular weight:593.63400||exact mass:593.14749||(6r,7r)-(pivaloyloxy)methyl 7-((e)-2-(2-aminothiazol-4-yl)-2-(meth……

cas no:n/a||chemical formula:c22h27n9o7s2||molecular weight:593.634||exact mass:593.14749||(pivaloyloxy)methyl (6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxy……

cas no:n/a||chemical formula:c38h42n18o11s4||molecular weight:1055.10900||exact mass:1054.21633||(pivaloyloxy)methyl (6r,7r)-7-((z)-2-(2-((6r,7r)-7-((z)-2-(2-am……

cas no:n/a||chemical formula:c38h44n18o12s4||molecular weight:1073.12400||exact mass:1072.22689||2-((z)-2-(2-((6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyi……

cas no:n/a||chemical formula:c37h44n18o10s4||molecular weight:1029.11500||exact mass:1028.23706||(pivaloyloxy)methyl 2-(((z)-2-(2-((6r,7r)-7-((z)-2-(2-aminothia……

cas no:n/a||chemical formula:c16h22n6o5s ||molecular weight:410.44900||exact mass:410.13724 ||(pivaloyloxy)methyl(6r,7r)-7-amino-3-((5-methyl-2h-tetrazol-2-yl)m……