The crystal structure of (2<i>E</i>,2′<i>E</i>)-,2,2′-bis[1-(2-pyrazinyl)ethylidene]carbonimidic dihydrazide, C<sub>13</sub>H<sub>15</sub>N<sub>9</sub>
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures