| http://www.w3.org/ns/prov#value | - cyclic hydrocarbons having the general formula: ##STR2## wherein R19 to R22 are independently hydrogens or a methyl group, R23 is hydrogen or an alkyl group having 1 to 6 carbon atoms, and m is an integer of 0 to 3, R23 may be the same or different in the case of m=2 or 3, R24 is a saturated or unsaturated hydrocarbon chain having 1 to 6 carbon atoms, l is 0 or 1, X is a saturated or unsaturated h
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