The diselenacyclodecane ring in the title compound, C12H2ON4O4Se2, ado
pts a twist-twist-boat conformation with regular trans positions of th
e oxime groups. In this conformation, the intramolecular spatial inter
action of the oxime fragments decreases to a minimum. This molecule is
an E,E,E,E isomer with regard to the configuration of the oxime group
s.