| http://www.w3.org/ns/prov#value | - ch case together with carbon atoms to which they are bonded, an unsaturated, partially saturated or fully saturated 4-, 5-, 6- or 7-membered ring, which may optionally contain heteroatoms, such as S, N and/or O, may also be monosubstituted or polysubstituted and/or may be further fused, R??? and R??? are each, independently of one another, H or C1-C4-alkyl, where one or two CH2 groups may also be
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