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system
Provide the molecular formula for the IUPAC named substance 5-[4-amino-5-(azetidin-1-ylmethyl)pyrrolo[2,1-f][1,2,4]triazin-7-yl]-N-[(3R,4S)-4-fluoropyrrolidin-3-yl]-2-methoxypyridine-3-carboxamide .
user
C21H25FN8O2
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