About: http://webisa.webdatacommons.org/451456599

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	In the formula I, R1 and R2 are preferably linear or branched alkyl radicals of 6 to 18 carbons, especially 6, 12 and 16 carbons, or ???H, R1 and R2 not both being hydrogens simultaneously.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr