8-(4-butylphenyl)-4-methyl-2,6-dioxohexahydro-8l4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium

2-(4-butylphenyl)-5,5-dimethyl-1,3,2-dioxaborinane

苯三羰基铬

3-chlorobutylbenzene

4-苯丁酸甲酯