| 摘要 |
1,250,929. Flavouring tobacco &c. H. F. & Ph. F. REEMTSMA. 16 July, 1969 [25 July, 1968], No. 35714/69. Heading A2C. The flavour of tobacco, tobacco substitutes or products thereof is influenced by treating them with at least one compound of formula: in which R 1 , R 2 , R 3 and R 4 each represent either -H or CH 3 . The use of dodecahydrobiphenyl and 1-methyl-3-cyclohexyl-cyclohexane is exemplified. |
