134311-31-2 137788-67-1 143650-49-1 163077-66-5 4-Methylbenzenesulfinic acid, sodium salt 53271-66-2 536-57-2 824-79-3 AI3-50009 BENZENESULFINIC ACID, 4-METHYL-, SODIUM SALT EINECS 212-538-5 NSC 4871 NSC 9077 Sodium 4-methylbenzenesulfinate Sodium 4-toluenesulfinate Sodium p-toluenesulfinate Sodium p-tolylsulfinate Sodium toluene-4-sulphinate p-Toluenesulfinic acid sodium salt p-Toluenesulfinic acid, sodium salt p-Toluensulfinan sodny [Czech]