The first conglomerate in the series of 2,4,6,8,10-pentaazatricyclo[5.3.1.03.11]undecane-1,5-diones - Lozhkin, Boris V.; Sigachev, Andrey S.; Kravchenko, Angelina N.; Lyssenko, Konstantin A.; Kolotyrkina, Natal’ya G.; Makhova, Nina N. (Mendeleev Communications, 2007)