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system
What is the molecular formula of the molecule identified by 1-[2-(4-tert-butylphenoxy)ethoxy]-3-methylbutan-2-one;3-methyl-1-[2-(5-phenylpyridin-2-yl)oxyethoxy]butan-2-one;3-methyl-1-[2-(6-phenylpyridin-3-yl)oxyethoxy]butan-2-one;3-methyl-1-[2-(4-pyridin-2-ylphenoxy)ethoxy]butan-2-one;3-methyl-1-[2-(4-pyridin-3-ylphenoxy)ethoxy]butan-2-one;3-methyl-1-[2-(4-pyridin-4-ylphenoxy)ethoxy]butan-2-one ?
user
C143H173N7O24
assistant