2,2-Dihydro-4,4,5,5-tetramethyl-2,2,2-triphenyl-1,3,2-dioxaphospholane

二溴化乙炔

3-hydroxy-2,3-dimethyl-1-butanol

4-azido-2,3-dimethylbutan-2-ol

3-hydroxy-2,3-dimethylbutyl 4-methylbenzenesulfonate