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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	Of the organic bases, nitrogen bases such as pyridine, piperidine, triethylamine, diethylamine, ethyl-isopropylamine, methylamine, or derivatives thereof are particularly preferred, provided that they are soluble in the solvent.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com