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What is the molecular formula of the compound with this IUPAC name 2-[[2-[[2-[(2-amino-3-hydroxybutanoyl)amino]-3-methylbutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid ?
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C21H37N9O6
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