| http://www.w3.org/ns/prov#value | - CH.sub.2).sub.q --, where q is an integer from 2 to 5, and where R.sup.5 represents hydrogen, hydroxy, protectedhydroxy, or C.sub.1-5 alkyl and wherein any of the CH-groups at positions 20, 22 or 23 in the side chain may be replaced by a nitrogen atom, or where any of the groups --CH(CH.sub.3)--, --CH.sub.2 --, or --CH(R.sup.2)-- at positions 20, 22, and 23,respectively, may be replaced by an oxyg
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