3-氰基-7-乙氧基-4-羟基-6-硝基喹啉

2-acetylamino-4-ethoxy-5-nitrobenzoic acid

(E)-2-Cyano-3-(3-ethoxy-4-nitro-phenylamino)-acrylic acid ethyl ester

间氨基苯乙醚

4-dimethylaminocrotonyl chloride