About: http://webisa.webdatacommons.org/77112501

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	Preferable substituted phenylalanine starting materials are substituted at the para position and include NO2 and NHR' wherein R' is an amino protecting group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es