About: http://webisa.webdatacommons.org/341842089

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	A solution according to claim 21 wherein either R1 or R2 is a methyl group and R3 is hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com