苯甲醛

N,N-dimethyl-4-[(4-methylphenyl)sulfonylmethyl]aniline

[5-(2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-yl] 4-methylbenzenesulfonate

1-(dichloromethylsulfonyl)-4-methylbenzene

4-methyl-4-(4-methylphenyl)sulfonylpentan-2-one