<http://webisa.webdatacommons.org/206146645>	<http://www.w3.org/ns/prov#value>	"p, (xxii) a hydroxymethyl group, (xxiii) a guanidino group, (xxiv) a benzyloxy group, (xxv) a guanidinophenylthiomethyl group, (xxvi) a morpholinosulfonylphenoxymethyl, (xxvii) a pyridyloxymethyl or (xxviii) (1,1-dioxothiazol-3-yl)carbonyl group. ii) when Y is a sulfur atom, R2 represents (i) a hydrogen atom, (ii) an alkyl group of one to four carbon atoms, (iii) an alkoxy group of one to four car" .
<http://webisa.webdatacommons.org/prov/216193617>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/206146645> .
<http://webisa.webdatacommons.org/206146645>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/206146645>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/prov/347739891>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/206146645> .