918410-50-1
3-chloropyrazine-2,5-dicarbonitrile
+
609-21-2
4-氨基-2,6-二溴苯酚
→
~40%
918410-40-9
3-[(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)amino]-1,4-dihydropyrazine-2,5-dicarbonitrile