IMPROVEMENTS IN OR RELATING TO SPIROCYCLIC COMPOUNDS
The present invention relates to a compound of formula I, I wherein A is straight chain alkylene of 2 to 4 carbon atoms, or straight chain alkenylene of 2 to 4 carbon atoms, n is 1, 2 or 3, R is hydrogen or halogen of atomic number from 9 to 35, and either (i) R1 is a group of formula II, II wherein...
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