| http://www.w3.org/ns/prov#value | - More specifically, subject compounds have the structure: ##STR5## wherein m=1-10; R1, R2, and R3 are the same or different and are hydrogen, an alkyl group, an alkenyl group, an alkynyl group, a hydroxylated alkyl, alkenyl, or alkynyl group, an ether containing alkyl, alkenyl, or alkynyl group, or a halogenated alkyl, alkenyl, or alkynyl group; R4 is an alkyl group, an alkenyl group, an alkynyl gr
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