About: http://webisa.webdatacommons.org/393968050

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	Preference is given to a straight-chain or branched alkynediyl radical having from 2 to 4, particularly preferably 2 or 3, carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com