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system
For the molecule named 2-amino-9-[(6R,8R,10S,15R,17R,18S)-8-(7-aminoimidazo[4,5-b]pyridin-3-yl)-9,18-difluoro-3,12-dihydroxy-3,12-dioxo-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.2.1.06,10]octadecan-17-yl]-1H-purin-6-one;2-amino-9-[(1R,6R,8R,9R,10S,15S,17R)-8-(7-aminoimidazo[4,5-b]pyridin-3-yl)-3,12-dihydroxy-9-methyl-3,12-dioxo-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.2.1.06,10]octadecan-17-yl]-1H-purin-6-one;2-amino-9-[(1R,6R,8R,10S,15S,17R)-8-(7-aminoimidazo[4,5-b]pyridin-3-yl)-9-fluoro-3,12-dihydroxy-3,12-dioxo-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.2.1.06,10]octadecan-17-yl]-1H-purin-6-one by IUPAC nomenclature, provide its molecular formula.
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C64H74F3N27O33P6
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