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Name the molecular formula for the molecule established as 3-(2,6-dichlorophenyl)-7-[4-[(2R,5S)-2,5-dimethylpiperazin-1-yl]anilino]-2H-pyrimido[5,4-e][1,3]oxazin-4-one;hydrochloride using the IUPAC nomenclature.
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C24H25Cl3N6O2
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