| http://www.w3.org/ns/prov#value | - -(CH2) n CH 3 ; n is an integer in the range 3-30; R 2 and R 3 are independently selected from the group consisting of m is an integer in the range 3-30; O R 4 and R 5 are independently selected from GH 3 -C-Q- and -OH; O with the proviso that at least one of R 2 and R 3 is other than -C- (CH 2 ) m CH 3 and -H; and that at least one OfR 4 and R 5 is -OH. A second aspect of the present invention re
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