N-ethyl-3-acetylcarbazole
ethyl 5-(1-cyano-2-ethoxy-2-oxoethylidene)prolinate
ethyl 5-[1-cyano-2-(9-ethyl-9H-carbazol-3-yl)-2-oxoethylidene]prolinate
1,2,3-trimethyl-4-(methylsulfonyl)benzene
ethyl (2Z)-cyano[5-(2,3,4-trimethylphenyl)pyrrolidin-2-ylidene]acetate