About: http://webisa.webdatacommons.org/450176335

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	R12 is a reactive group derivatizable with a detectable label, e.g., -NH2, -COOH or -SH;
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr