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What is the molecular formula of the compound with this IUPAC name (1R)-1-(4-bromophenyl)imino-2-(3,4-dichlorophenyl)-6-(diethylamino)-1-morpholin-4-yl-4,2,1lambda5-benzoxazaphosphinin-3-one ?
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C27H28BrCl2N4O3P
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