Compounds of formula ##STR1## having a double bond in one of the positions indicated by the dotted lines and wherein symbol R represents a hydrogen atom or a methyl radical, are useful ingredients for the preparation of perfuming compositions and perfumed articles, to which they impart odor notes of the woody-amber type.
式子为##STR1##的化合物,在虚线标示的位置之一具有双键,其中符号R代表氢原子或甲基基团,是用于制备
香料组合物和带有木质琥珀气味注释的香氛物品的有用成分。