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United States Pharmacopeia (USP) Reference Standard
Synonym(s): Penicillin G benzathine tetrahydrate
Empirical Formula: C32H36N4O8S2 -+ C16H20N2 -+ 4H2O
Formula Weight: 981.18
Linear Formula: C32H36N4O8S2 -+ C16H20N2 -+ 4H2O