Launay, Michele; Potin, Dominique; Maillet, Magali Jeannine Blandine; Nicolai, Eric Antoine; Dhar, T.G. Murali; Iwanowicz, Edwin J.
Patent: US2002/143035 A1, 2002 ;

Vertex Pharmaceuticals Incorporated
Patent: US6531474 B1, 2003 ;
US 6531474 B1