Хотел бы увидеть статью:
Nucleophilic Substitution on 5-Nitrobenzofurazan-3-Oxide: A New Synthetic Route for Novel Benzofurazan-5, 5′-Oxybis 3, 3′-Dioxide and Benzofurazan-5, 5′-Thiobis-3, 3′-Dioxide
S. Madan Kumar
Synthetic Communications: An International Journal for Rapid Communication of Synthetic Organic Chemistry, 1532-2432, Volume 22, Issue 5, 1992, Pages 793 – 802
Код: Выделить всё
http://dx.doi.org/10.1080/00397919208019282