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What is the molecular formula of the compound with this IUPAC name ethyl (1R)-2-[[(2S)-1-methoxy-3-methyl-1-oxobutan-2-yl]carbamoyl]-1-methyl-4,9-dihydro-3H-pyrido[3,4-b]indole-1-carboxylate ?
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C22H29N3O5
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