Stable formulations of remifentanil
 Stable formulations of 3-4-methoxycarbonyl-4-(1 -oxopropyl)phenylamino!-1-piperidine!propanoic acid, methyl ester, generally referred to as remifentanil, are disclosed. In particular, stabilized lyophilized solid composition are disclosed comprising certain acids, most preferably comprising glycine. 
Glaxo Wellcome Inc.
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Larry Alan Janet Sue Shirley Ann
Gatlin Lewis Heiman