乙酰乙酸叔丁酯

prop-2-enyl 6-ethoxy-5,6-dihydro-2-methyl-4-oxo-1,4-oxathiin-3-carboxylate

5-(1-羟基乙亚基)-2,2-二甲基-1,3-二氧杂环己-4,6-二酮

prop-2-enyl 6-ethoxy-5,6-dihydro-2-methyl-1,4-oxathiin-3-carboxylate

氯丙烯