1. Department of Chemistry; Fudan University; 220 Handan Road Shanghai 200433 P. R. China
2. Fragrance Ingredients Research; Givaudan Fragrances (Shanghai) Ltd.; 298 Li Shi Zhen Road Shanghai 201203 P. R. China
3. Fragrance Ingredients Research; Givaudan Schweiz AG; Überlandstrasse 138 8600 Dübendorf Switzerland