2-pyrazinecarbonitrile, 3-(methylamino)-6-(1-propynyl)- 3-(methylamino)-6-prop-1-yn-1-ylpyrazine-2-carbonitrile InChI=1/C9H8N4/c1-3-4-7-6-12-9(11-2)8(5-10)13-7/h6H,1-2H3,(H,11,12