71511-10-9
3-methylamino-1-oxo-1H-benzo[f]chromene-2-carbaldehyde
+
33931-42-9
N,N,N,N-四乙基丙二酰胺
→
71511-24-5
8-methyl-9,12-dioxo-8,12-dihydro-9H-benzo[5,6]chromeno[2,3-b]pyridine-10-carboxylic acid diethylamide