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2. A.?P.?S. Narula, ?International Conference on Essential Oil and Aroma?, IFEAT 2002, Warsaw, Poland, USA;
3. to International Flavor & Fragrances, Inc., U.S. Pat. 5,081,262 (Chem. Abstr. 1992, 117, 111854);
4. to International Flavor & Fragrances, Inc., U.S. Pat. 5,070,073 (Chem. Abstr. 1992, 116, 152090).