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Under IUPAC nomenclature, a molecule named N-[4-[[3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-methyl-2-oxo-4H-pyrimido[4,5-d]pyrimidin-7-yl]amino]oxolan-3-yl]prop-2-enamide;N-[2-[[3-(2,6-dichloro-3,5-dimethoxyphenyl)-2-oxo-1-(1H-pyrazol-4-ylmethyl)-4H-pyrimido[4,5-d]pyrimidin-7-yl]amino]phenyl]prop-2-enamide;N-[2-[[6-(3,5-dimethoxyphenyl)-7-oxo-5,8-dihydropyrimido[4,5-d]pyrimidin-2-yl]amino]phenyl]prop-2-enamide is given. What is its corresponding molecular formula?
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C72H70Cl4N20O13
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