2-乙烯基环丙烷-1,1-二羧酸二乙酯

diethyl 2,7-diethoxycarbonyl-4-octenedioate

1-(1,3-dioxoisoindol-2-yl)-3-phenylthiourea

6-amino-2,4-dimethylpyridine-3-carbonitrile

3-苯基-2-丁酮