2,3,3,3-tetrafluoro-2-fluorosulfonylpropanoyl fluoride

焦硫酸

1,2,3,4,5-pentachloro-6-ethylsulfanylbenzene

methyl 2-(4-chlorosulfonyl-3,5-dimethylphenoxy)acetate

2-[(2,5-二甲基苯基)磺酰基]-1,4-二甲基苯