title: Four-step reduction of dpp-bian with sodium metal: crystal structures of the sodium salts of the mono-, di-, tri- and tetraanions of dpp-bian.
authors.affiliation: G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, Tropinina 49, 603950 Nizhny Novgorod GSP-445, Russia. igorfed@imoc.sinn.ru
authors.forename: Igor L
authors.initials: IL
authors.lastname: Fedushkin
authors.forename: Alexandra A
authors.initials: AA
authors.lastname: Skatova
authors.forename: Valentina A
authors.initials: VA
authors.lastname: Chudakova
authors.forename: Georgy K
authors.initials: GK
authors.lastname: Fukin