三苯基甲醇

2,5-dimethoxy-1-methyl-3-(trityloxymethyl)benzene

1-(bromomethyl)-2,5-dimethoxy-3-methylbenzene

2-bromo-3-(bromomethyl)-1,4-dimethoxy-5-methylbenzene

(2-bromo-3,6-dimethoxy-5-methylphenyl)methanol