Valbenazine salts and polymorphs thereof

  • US 10,844,058 B2
  • Filed: 06/12/2020
  • Issued: 11/24/2020
  • Est. Priority Date: 10/30/2015
  • Status: Active Grant
First Claim
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1. A crystalline form of (S)-2-amino-3-methyl-butyric acid (2R,3R,11bR)-3-isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,l-a]isoquinolin-2-yl ester tosylate salt having a differential scanning calorimetric (DSC) peak temperature within 2% of 243°

  • C.

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