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What is the molecular formula of the molecule (6R,7R)-3-[(E)-[1-(2-amino-2-iminoethyl)-2-oxopyrrolidin-3-ylidene]methyl]-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ?
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C19H20N8O6S2
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