ethyl 2-cyano-5-methyl-3-(2-methylpropyl)hex-2-enoate

2,6-bis(methylsulfanyl)-4-phenylpyridine-3-carbonitrile

ethyl 2,6,6-tricyano-3-(methylthio)-5-phenylhexa-2,5-dienoate

4-羟基-2-噻唑基乙酸乙酯

2-氨基-3,4-噻吩羧酸-3-乙基-4-甲酯