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Ethosuximide
C7H11NO2 141.17
 2,5-Pyrrolidinedione, 3-ethyl-3-methyl-, (±)-;
 (±)-2-Ethyl-2-methylsuccinimide [77-67-8]

DEFINITION

Ethosuximide contains NLT 98.0% and NMT 101.0% of ethosuximide (C7H11NO2), calculated on the anhydrous basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Ethosuximide RS
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