4-Acetamido-3-chlorobenzenesulfonyl chloride16761-18-530 % similar 4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid56447-54-230 % similar (1,1'-Biphenyl)-4,4'-disulfonyl dichloride3406-84-630 % similar Benzenesulfonyl chloride98-09-930 % similar 4-Chloro-2-fluorobenzene-1-sulfonyl chloride141337-26-030 % similar 5-Chloro-2-fluorobenzenesulfonyl chloride351003-49-130 % similar