5034-06-0 EINECS 225-724-6 NSC 221182 Sulfonium, trimethyl-, chloride, S-oxide Sulfoxonium, trimethyl-, chloride (8CI,9CI) Trimethyloxosulfonium chloride Trimethyloxosulphonium chloride Trimethylsulfonium chloride oxide Trimethylsulfoxonium chloride