Synonyms: Samarium,tris(2,2,6,6-tetramethyl-3,5-heptanedionato)- (6CI,7CI,8CI);Samarium, tris(2,2,6,6-tetramethyl-3,5-heptanedionato-O,O')-,(OC-6-11)-;Samarium, tris(2,2,6,6-tetramethyl-3,5-heptanedionato-kO,kO')-, (OC-6-11)- (9CI);3,5-Heptanedione,2,2,6,6-tetramethyl-, samarium complex;NSC 177673;Samariumtris(dipivaloylmethanate);Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)samarium;Tris(dipivaloylmethanato)samarium;Samarium,tris(2,2,6,6-tetramethyl-3,5-heptanedionato-kO3,kO5)-, (OC-6-11)-;