Explanatory notes
… does not , however, include synthetic carotenes which fall in heading 32.04 . (B) CYCLOTERPENES These hydrocarbons … organic compounds rich in carbon (coal, lignite, etc.); also obtained synthetically. In the pure state, it is a … the chlorinated derivatives (plasticisers), as a coolant (alone or mixed with biphenyl ether), and as a moderator in …