About: http://webisa.webdatacommons.org/431111471

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	Such compounds can include substitutents as described for Formula I, with the understanding that ring nitrogens other than the nitrogen corresponding to position 1 of the indole structure are unsubstituted.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com