硫酸铜

1-bromo-3-chloro-3-methyl-but-1-yne

alpha,beta-二羟基异戊酸

3,3,5,5,9,9-hexamethyl-[1,4,7]dioxazonine-2,6,8-trione

3-bromo-2-hydroxy-2-methylpropanoic acid