2,3,5-Hexanetrione, 3-[(2,4-dinitrophenyl)hydrazone]
CAS No. 67381-93-5
Pyrazineacetonitrile, a-(hydroxymethylene)-
345581-37-5
Pyranone, amino-
477780-77-1
Pyrazinecarbonitrile, 3-amino-6-(propoxymethyl)-
104422-49-3
Propanedioic acid, compd. with ethanamine
630095-24-8
Pyrazinecarbonitrile, 4-oxide
25594-31-4
Pyrazinamine, 1,4-dihydro-
500148-33-4
Pyrazinecarbonyl azide
75322-66-6