About: http://webisa.webdatacommons.org/251831553

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	The preferred ketodiacid compounds of the above formula IVa are those wherein each Z' is hydrogen or methyl, especially hydrogen, and A is hydroxy or alkoxy, especially hydroxy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com