<http://webisa.webdatacommons.org/26782574>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patentgenius.com> .
<http://webisa.webdatacommons.org/26782574>	<http://www.w3.org/ns/prov#value>	"ishydrogen; R.sub.4 and R.sub.5 are each independently hydrogen or methyl; R.sub.6 is carbobenzyloxy, ##STR73## wherein Z is N or CH; and B is a group of the formulae ##STR74## wherein R' is hydrogen or a C.sub.1 -C.sub.6 alkyl group; R.sub.7 is hydrogen;m is the integer zero or one and n is the integer zero or one.Another subclass of novel compounds within the scope of the present invention is re" .
<http://webisa.webdatacommons.org/prov/131613204>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/26782574> .
<http://webisa.webdatacommons.org/26782574>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .