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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 present ketone may also be fluorenone and its derivatives such as for example lower alkyl (Cl-6), halo, nitro, carboxylic acid and esters thereof, particularly in the 2- and 4-positions.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com