| 摘要 |
The present invention refers to methyl-substituted double-unsaturated macrocyclic lactones comprising 14 to 17 ring atoms of formula (I) wherein n and m are independently selected from 1, 2, 3 and 4 with the proviso that 3≦̸n+m≦̸6. The invention relates furthermore to their use as odorant and fragrance composition comprising them.
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