2-氯乙基乙基硫醚

丙烯酸钠

5-乙基-2-羟基-3-甲基环戊-2-烯-1-酮

3-ethyl-5-methyl-2-(pyridin-2-ylamino)cyclopent-2-en-1-one

1-(2-溴乙基)金刚烷