丙酮醛

[(E)-[(1E)-1-(carbamoylhydrazinylidene)propan-2-ylidene]amino]urea

丙酮酸乙酯

乙基氯

[1-(Benzo[1,3,2]dioxaphosphol-2-yloxy)-2,2-diethoxy-1-methyl-ethyl]-phosphonic acid diethyl ester