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What is the molecular formula of the molecule identified by 2'-amino-6-bromo-3'-methyl-2-phenylspiro[2,3-dihydrochromene-4,5'-imidazole]-4'-one;6-bromo-3'-methyl-2'-methylsulfanyl-2-phenylspiro[2,3-dihydrochromene-4,5'-imidazole]-4'-one ?
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C37H33Br2N5O4S
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