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What is the molecular formula of the molecule identified by (2R,3S,4S,4aS,10aR)-4a,8-diamino-3,4,10a-trihydroxy-2-(hydroxymethyl)-3,4,7,8-tetrahydro-2H-pyrano[2,3-b][1,4]dioxocine-6,9-dione ?
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C10H16N2O9
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