About: http://webisa.webdatacommons.org/54835634

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	When both R5 and R6 are H, an ammonia equivalent of formula P'2 NH, wherein P' is a protecting group such as t-butoxycarbonyl, may be beneficially employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com