| 摘要 |
The invention concerns novel odorants of formula I wherein R is hydrogen or methyl. <IMAGE> I The invention also concerns fragrance compositions containing I. Formula I is intended to particularly embrace as the racemates, (+/-)-3 alpha -acetyl-3 beta ,4 beta ,5,5-tetramethyl-2,3,4,4a beta ,5,6,7,8-octahydronapthalene and (+/-)-3 alpha -acetyl-4 beta ,5,5-trimethyl-2,3 beta ,4,4a beta ,5,6,7,8-octahydronapthalene.
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