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What is the molecular formula of the compound with this IUPAC name methyl 3-methyl-2-[3-[[2-(methylcarbamoyl)benzoyl]amino]-2-oxoazetidin-1-yl]-4-[(2-methyl-3H-1,2,4-thiadiazol-5-yl)sulfanyl]but-2-enoate ?
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C21H25N5O5S2
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