2,2-dimethyl-5-(N-methyl-N-methylcarbamoylaminomethylene)-1,3-dioxane-4,6-dione

重氮甲烷

巯基乙酸乙酯

三甲基(3-甲基-2-丁烯-1-基)-硅烷

1,3-二甲基乳清酸