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Primidone
C12H14N2O2 218.25
 4,6(1H,5H)-Pyrimidinedione, 5-ethyldihydro-5-phenyl-;
 5-Ethyldihydro-5-phenyl-4,6(1H,5H)-pyrimidinedione [125-33-7]

DEFINITION

Primidone contains NLT 98.0% and NMT 102.0% of C12H14N2O2, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Phenobarbital RS
USP Primidone RS
USP Primidone Related Compound C RS
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