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What is the molecular formula of the molecule identified by 2-O-methyl 1-O-[(4-nitrophenyl)methyl] (2S,4R)-4-[2-[(4S,5R,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-2-[(4-nitrophenyl)methoxycarbonyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl]-7-methylsulfanylimidazo[5,1-b][1,3]thiazol-6-ium-6-yl]pyrrolidine-1,2-dicarboxylate;chloride ?
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C37H37ClN6O12S2
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