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system
Provide the molecular formula for the IUPAC named substance 4-amino-1-[(2R,3R,4R,5S)-3,4-dihydroxy-3-methyl-5-[(2-oxo-6-pyridin-4-yl-4H-1,3,2lambda5-dioxaphosphinin-2-yl)oxymethyl]oxolan-2-yl]pyrimidin-2-one;2,2,2-trifluoroacetic acid .
user
C20H22F3N4O10P
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