<http://webisa.webdatacommons.org/174731368>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/174731368>	<http://www.w3.org/ns/prov#value>	"(17) a compound as described in (1) above, wherein A1 and A2 are independently an unsubstituted amino, amidino or guanidino group and R2 is a hydrogen atom." .
<http://webisa.webdatacommons.org/prov/140589058>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/174731368> .
<http://webisa.webdatacommons.org/174731368>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .