About: http://webisa.webdatacommons.org/168876700

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	H2NCH2-B (II) wherein B has the meaning as set out above, under such conditions as to form the 2,5-pyrrolediyl groups without affecting the functional group attached to the substituent B.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com