About: http://webisa.webdatacommons.org/12907826

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	R6 and R7 are preferably C1-C6alkyl, especially methyl or ethyl, preferably methyl.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es