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7-Amino-3-chloromethyl-3-cephem-4-carbox, ylic acid diphenylmethyl ester hydrochlo, ride, Molar mass (M) 451,37 g/mol, Storage temp. +2 to +8 °C, CAS No. 79349-53-4, Empirical formula C21H20Cl2N2O3S
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