(9-ethylcarbazol-3-yl)methylidenehydrazine

2-(9-ethylcarbazol-3-yl)-5-phenyl-1,3,4-oxadiazole

(9-ethylcarbazol-3-yl)methyl 2-methylprop-2-enoate

4-(9-ethylcarbazol-3-yl)but-3-en-2-one

9-ethyl-3-methylcarbazole