About: http://webisa.webdatacommons.org/253560145

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	A steroid is a chemical, either natural or man-made, which has four cycloalkane rings in its structure.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org