Novel pentafulvalene derivatives: synthesis, crystal structures, 1H and 13C NMR chemical shift assignments of trans- and cis-isomers of bis-2,2′-(4,5,6,7-tetrachloro-8,8-dimethoxy- 3a,4,7,7a-tetrahydro-4,7-methanoindan-1,3a-dienylidene)
1999 ◽
Vol 23
(7)
◽
pp. 691-693
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Erkki Kolehmainen
◽
Jari Koivisto
◽
Maija Nissinen
◽
Kari Rissanen
◽
Katri Laihia