88745-34-0
ethyl 11-cyano-4-oxo-7,8,9,10-tetrahydropyrimido[1,2-b]isoquinoline-3-carboxylate
+
1188-33-6
N,N-二甲基甲酰胺二乙基缩醛
→
~83%
93587-49-6
ethyl (10E)-11-cyano-10-(dimethylaminomethylidene)-4-oxo-8,9-dihydro-7H-pyrimido[1,2-b]isoquinoline-3-carboxylate