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system
Can you give the molecular formula of the molecule (1S,6R,8R,9R,10S,15R,17R,18R)-8,17-bis(2-amino-6-prop-2-ynoxypurin-9-yl)-3,12-dihydroxy-3,12-dioxo-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.3.0.06,10]octadecane-9,18-diol ?
user
C26H28N10O14P2
assistant