About: http://webisa.webdatacommons.org/417352892

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In those embodiments where R1 is a conjugating group providing an unprotected thiol, X is most preferably C0-4 unsubstituted alkylene, Y is most preferably absent or N(H), and Z is most preferably a C1-4 thiol-substituted alkyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com