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Can you give the molecular formula of the molecule (6R)-7-[[(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-ethoxyiminoacetyl]amino]-3-[[4-(hydroxymethyl)pyridin-1-ium-1-yl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate ?
user
C20H21N7O6S2
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