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What is the molecular formula of the molecule identified by 9-[(2R,4aR,6R,7aR)-7,7-dichloro-2-propan-2-yloxy-2-sulfanylidene-4,4a,6,7a-tetrahydrofuro[3,2-d][1,3,2]dioxaphosphinin-6-yl]purine-2,6-diamine ?
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C13H17Cl2N6O4PS
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