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Synthesis of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy) phenylmethyl)carbamide and its tartrate salt and crystalline forms

  • US 7,923,564 B2
  • Filed: 06/07/2010
  • Issued: 04/12/2011
  • Est. Priority Date: 09/27/2004
  • Status: Active Grant
First Claim
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1. Crystalline form C of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′

  • -(4-(2-methylpropyloxy)phenylmethyl)carbamide tartrate of formula IV,

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