CRYSTAL STRUCTURE OF 8,9-DIMETHOXY-5,5-DIMETHYL-2,3,5,6-TETRAHYDRO-3-OXOPYRAZOLO[3,4-B]BENZO-3-AZEPINE ArticleSokol V.I., Davydov V.V., Glushkov V.A., Shklyaev Y.V., Sergienko V.S.KOORDINATSIONNAYA KHIMIYA / Russian Journal of Coordination Chemistry. Vol. 29. 2003. P.. 635-640