About: http://webisa.webdatacommons.org/376031133

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 retinoids may be, in particular, retinoic acid (all-trans or 13-cis) and derivatives thereof, retinol (vitamin A) and esters thereof such as retinyl palmitate, retinyl acetate and retinyl propionate, as well as salts thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com