About: http://webisa.webdatacommons.org/232722741

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	At least one, preferably only one, and possibly two or more of said R1, R2, R3, R4, R5, R6 and R7 groups in each molecule is a reactive group for attaching the dye to the labeled component.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr