| http://www.w3.org/ns/prov#value | - carbon atoms capable of including at least one methylene group which can be replaced by --O--, --S--, --CO--, --CH???CH--, --C.tbd.C--, or --CHW-- where W is halogen, CN or CF3 provided that heteroatoms are not adjacent to each other; and ##STR74## wherein B3 is ##STR75## and R27 and R28 independently denote a linear or branched alkyl group having 1-18 carbon atoms capable of including at least on
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