About: http://webisa.webdatacommons.org/222950838

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	(R1 R2 N)a (R3 O)b (BH4)c MXd wherein R1-3 are hydrocarbyl radicals, M includes Ti, Zr and Hf, X is an acid anion, which includes halogen, acetylacetonate and acetate, and a, b, c and d are zero or integers such that a+b+c+d=4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es