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system
What is the molecular formula of the molecule [5-(6-aminopurin-9-yl)-2-[[[[4-[[3-[[(5R)-6-carboxy-5-hydroxy-5-methyl-3-oxohexyl]amino]-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutoxy]-oxidophosphoryl]oxy-oxidophosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] phosphate ?
user
C27H40N7O20P3-4
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