(4R,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1’,2’:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylicAcid , 95% , 【1335210-34-8】
Molecular Formula: C14H16N2O6
Formula Weight: 308.29
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