2,2-dimethylpropionic acid [3-(2,2-dimethylpropionyloxymethyl)-2,6-dioxo-2,3,6,7-tetrahydropurin-1-yl]methyl ester

三甲基乙酰胺

丙酮

prop-2-enyl 2,2-dimethylpropanoate

1-cyclopropyl-1-phenylethyl pivalate