methyl 2-(5-(diethylamino)-2-methoxy-4-methylfuran-3-yl)-2-(9H-fluoren-9-ylidene)acetate

dimethyl 4-(diethylamino)-3-methylspiro[cyclopenta-1,3-diene-5,9'-fluorene]-1,2-dicarboxylate

6-(diethylamino)-5,7-dimethylbicyclo[3.2.0]hept-6-en-4-one

5-(diethylamino)-6-methylpyrazine-2,3-dicarbonitrile

2-N,2-N,4-N,4-N-tetraethyl-3,5,6-trimethylpyridine-2,4-diamine