The present invention relates to compounds useful as fragrance ingredients of formula (I)
wherein
the bond between C-1 and C-2 is a single bond and the dotted line together with the bond between C-2 and C-3 represents a double bond; or
the bond between C-2 and C-3 is a single bond and the dotted line together with the bond between C-1 and C-2 represents a double bond.
本发明涉及一种公式(I)的
香料成分,其中C-1和C-2之间的键是单键,点状线与C-2和C-3之间的键表示双键;或者C-2和C-3之间的键是单键,点状线与C-1和C-2之间的键表示双键。